TASK DEFINITION: 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".
PROBLEM: sentence1:employer is disagreeing with book_author sentence1:book_author is challenging  employer 

SOLUTION: no

PROBLEM: sentence1:organization_founder is coming into location sentence1:organization_founder is coming to location 

SOLUTION: yes

PROBLEM: sentence1: announces that something acquires business_operation sentence1:business_operation is being owned by  

SOLUTION:
no