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".

[Q]: sentence1:organization_founder is president of location sentence1:organization_founder is leader of location 
[A]: yes


[Q]: sentence1:employer is needing  employer sentence1:employer is holding  employer 
[A]: no


[Q]: sentence1:region is being attacked by region sentence1:region launches invasion of region 
[A]:
yes