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:computer_software is trademark of organization sentence1:organization is updating  computer_software 
no

sentence1:person*politician tells conference in location sentence1:person*politician is telling in location 
yes

sentence1: is speaking for employer sentence1: is leading  employer 

no