user
Instruction
This is a table fact verification task. The goal of this task is to distinguish whether the given statement is entailed or refuted by the given table.


Table
Table Title: czechoslovakian international
Table Content:
| year | men 's singles | women 's singles | men 's doubles | women 's doubles | mixed doubles |
| --- | --- | --- | --- | --- | --- |
| 1972 | edgar michalowski | monika thiere | siegfried betz franz beinvogl | monika thiere angela michalowski | roland riese monika thiere |
| 1973 | edgar michalowski | monika thiere | siegfried betz franz beinvogl | monika thiere angela michalowski | erfried michalowsky angela michalowski |
| 1974 | michael schnaase | monika cassens | siegfried betz franz beinvogl | monika cassens astrit schreiber | franz beinvogl anke betz |
| 1975 | edgar michalowski | monika cassens | gerd kattau joachim schulz | monika cassens angela michalowski | edgar michalowski monika cassens |
| 1976 | michael schnaase | inge borgström | wolfgang bochow roland maywald | monika cassens angela michalowski | wolfgang bochow marieluise zizmann |
| 1977 | willy nilsson | inge borgström | michael wilks peter bullivant | monika cassens angela michalowski | rob ridder marja ridder |
| 1978 | michael schnaase | monika cassens | eddy sutton alen connor | monika cassens angela michalowski | karl - heinz zwiebler eva - maria zwiebler |
| 1979 | steen fladberg | kirsten larsen | steen fladberg jens peter nierhoff | sally leadbeater gillian clark | kenneth larsen charlotte pilgaard |
| 1980 | michael kjeldsen | rikki von sörensen | jan hammergaard - hansen jens peter nierhoff | kathleen redhead gillian clark | edgar michalowski monika cassens |
| 1981 | ulf johansson | diane simpson | gerry asquith duncan bridge | diane simpson catharine troke | edgar michalowski monika cassens |
| 1982 | steve butler | catharine troke | steve butler nigel tier | svetlana belyasova petra michalowsky | anatoliy skripko svetlana belyasova |
| 1983 | michal malý | monika cassens | torben kjaer steffen lunde | monika cassens petra michalowsky | erfried michalowsky monika cassens |
| 1984 | kim brodersen | charlotte hattens | kim brodersen claus thomsen | tatyana litvinenko viktoria pron | erfried michalowsky petra michalowsky |
| 1985 | poul - erik høyer larsen | grethe mogensen | poul - erik høyer larsen peter buch | grethe mogensen hanne adsbol | peter buch hanne adsböl |
| 1986 | andrey antropov | catharina andersson | michal malý karel lakomý | lila galjamova elena rybkina | andrey antropov elena rybkina |
| 1987 | michal malý | bozena siemieniec | heinz fisher klaus fisher | monika cassens petra michalowsky | thomas mundt monika cassens |
| 1988 | klaus fischer | elena rybkina | stephan kuhl robert neumann | monika cassens petra michalowsky | kai abraham petra michalowsky |
| 1989 | tomasz mendrek | viktoria pron | harald koch helmo goetschl | tatyana litvinenko viktoria pron | thomas mundt petra michalowsky |
| 1990 | thomas stuer - lauridsen | camilla martin | thomas stuer - lauridsen christian jacobsen | trine johansson marlene thomsen | christian jacobsen marlene thomsen |
| 1991 | robert liljequist | irina serova | markus keck michael helber | andrea findhammer anne - katrin seid | vladislav druzchenko marina yakusheva |
| 1992 | tomasz mendrek | irina serova | steffan pandya anthony busch | tanja groves joanne davies | hans fischer irina serova |


Statement
edgar michalowski never play any match at the czechoslovakian international , single or double


Answer Format
The final answer should be either "entailed" or "refuted" and use the following format:
```json
{
    "answer": "entailed" or "refuted"
}
```
rule
["refuted"]