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'.

Example Input: Sentence 1: Meanwhile, thousands of soldiers from the first Gulf War are still suffering from severe symptoms that have been linked to what is now known as Gulf War illness, say veterans advocates. Sentence 2: Many US soldiers developed Gulf War illness after the Gulf War.
Example Output: 1

Example Input: Sentence 1: The International Olympic Committee has leapt to the defence of the drug-testing lab at the centre of the Merlene Ottey doping case. Athletics' governing body, the IAAF, last week cleared Ottey of accusations of steroid use and lifted a two-year ban after their arbitration panel said the IOC-accredited lab in Lausanne improperly tested Ottey's urine sample. Sentence 2: Sportswomen have been accused of doping.
Example Output: 0

Example Input: Sentence 1: Chicago-based Boeing has already scrubbed three delivery slots in 2006 that had been booked by Air Canada. Sentence 2: Boeing's headquarters is in Canada.
Example Output:
0