In this task, you will be given two sentences sentence1 and sentence2. You should decide whether the second sentence is entailed(agreed) by the first sentence. If it does entail, answer "yes", else answer "no".

sentence1:award is being awarded to award_winner sentence1:award_winner is being awarded  award 
yes

sentence1:person*politician is serving a mayor of region sentence1:person*politician is Mayor of region 
yes

sentence1:award_winner is announcing at conferences.conference_series sentence1:award_winner is unveiling at conferences.conference_series 

yes