In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to determine if the two sentences clearly agree/disagree with each other, or if this can't be determined. Indicate your answer as yes or no respectively.

Q: Sentence 1: Because it is a win-at-all-costs war to restore military prestige, Russian generals have shown utter indifference to civilian casualties and a willingness to lie to retain popular support. Sentence 2: Russian generals have assassinated many people in the past.

A: no
****
Q: Sentence 1: Francois II became king of France in 1559 but died soon after. Sentence 2: Francois II died after becoming king of France.

A: yes
****
Q: Sentence 1: In 1936, Pan American Airways introduced daily passenger air service from San Francisco. Sentence 2: Pan American Airways started service from San Francisco.

A:
yes
****