In this task, you are given a sentence in the English and Japanese language. Your task is check if the Japanese sentence is translation of English. if the translation is correct than generate label "Yes", otherwise generate label "No".
Q: English: It is unknown if there were any other poisons in his system. 
 Japanese: これらのレースの全ては、メキシコの騎手マリオ・グーティエレズにより勝利した。
A: 
No