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".
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Question: sentence1:military_combatant launches war on location sentence1:military_combatant is declaring war on location 

Answer: yes


Question: sentence1:location is to invade location sentence1:location is attacking  location 

Answer: yes


Question: sentence1: announces that something acquires business_operation sentence1: is purchasing  business_operation 

Answer:
no