  This document contains a discussion of the F1 score evaluation used in the
article 'Relation Classification with Entity Type Restriction' by Shengfei Lyu,
Huanhuan Chen published on Findings of the Association for Computational
Linguistics: ACL-IJCNLP 2021. The authors created a system named RECENT and
claim it achieves (then) a new state-of-the-art result 75.2 (previous 74.8) on
the TACRED dataset, while after correcting errors and reevaluation the final
result is 65.16
