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: is campaigning for employer sentence1: is telling  employer 

SOLUTION: no

PROBLEM: sentence1:location is signing treaty with location sentence1:location is battling  location 

SOLUTION: no

PROBLEM: sentence1:person is composing  written_work sentence1:person authors of written_work 

SOLUTION:
yes