instruction:
In this task, you're given two sentences. Indicate if the first sentence clearly entails the second sentence (i.e., one can conclude the 2nd sentence by reading the 1st one). Indicate your answer with '1' if the first sentence entails the second sentence, otherwise answer with '0'.
question:
Sentence 1: Saudi Arabia, the biggest oil producer in the world, was once a supporter of Osama bin Laden and his associates who led attacks against the United States. Sentence 2: Saudi Arabia is a key U.S. ally.
answer:
0


question:
Sentence 1: Two bombs planted near an Islamic school in Pakistan killed eight people and injured 42 others yesterday in the latest outbreak of violence gripping the southern port of Karachi. Sentence 2: 42 people killed in Karachi bomb attack.
answer:
0


question:
Sentence 1: Seeking common ground amid sensitive differences on democracy, Bush and Putin agreed Thursday, on new efforts to keep nuclear arms away from terrorists as well as from sovereign nations like Iran and North Korea. Sentence 2: Putin and Bush, on Thursday, agreed that Iran, along with North Korea, must not become a nuclear threat.
answer:

1