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:military_combatant is going to invade location sentence1:military_combatant is threat to location 

SOLUTION: yes

PROBLEM: sentence1:person*politician is leader of region sentence1:person*politician is leader in region 

SOLUTION: yes

PROBLEM: sentence1:person is opening lead over person sentence1:person is defeating  person 

SOLUTION:
yes