user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Isotopes' regarding 'Nihonium'
Table Content:
| Isotope | Half-life | Half-life | Half-life | Decay mode | Discovery year | Discovery reaction |
| --- | --- | --- | --- | --- | --- | --- |
| Isotope | Recent publications | Ref | NUBASE 2016 | Decay mode | Discovery year | Discovery reaction |
| 278Nh | 1.4 ms | - | 2.3 ms | α | 2004 | 209Bi(70Zn,n) |
| 282Nh | 73 ms | - | 140 ms | α | 2007 | 237Np(48Ca,3n) |
| 283Nh | 75 ms | - | 160 ms | α | 2004 | 287Mc(—,α) |
| 284Nh | 0.91 s | - | 0.93 s | α, EC | 2004 | 288Mc(—,α) |
| 285Nh | 4.2 s | - | 3.3 s | α | 2010 | 289Mc(—,α) |
| 286Nh | 9.5 s | - | 7 s | α | 2010 | 290Mc(—,α) |
| 287Nh | 5.5 s | - | — | α | 1999 | 287Fl(e−,νe) |
| 290Nh | 2 s | - | — | α | 1998 | 290Fl(e−,νe) |


Question
When  were 284Nh and 285Nh isotope of Nihonium discovered?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
[" 284Nh and 285Nh isotope of Nihonium  were discovered in 2004 and 2010 respectively."]