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'.

Input: Consider Input: Sentence 1: Preliminary tests identified the source of the outbreak as the highly contagious norovirus, which had struck several guests just before they boarded the cruise Nov. 3 in Rome, Carnival officials said. Sentence 2: Norovirus is the source of the outbreak on the ship.

Output: 1


Input: Consider Input: Sentence 1: The body of Satomi Mitarai was found by a teacher after her attacker returned to class in bloody clothes. Sentence 2: Mitarai's body was found by a teacher after her killer returned to their classroom covered in blood.

Output: 1


Input: Consider Input: Sentence 1: Thai soldiers have been accused of crossing into Cambodia near a disputed temple where the two sides briefly exchanged fire last year. A spokesman for Cambodia's government said that about 100 troops crossed the border before retreating hours later. A Thai border commander denied there had been any troop movements and said there had been no increase in tension. Thailand and Cambodia both lay claim to the temple area. Despite several rounds of talks, a settlement remains elusive. Soldiers from the two countries have been stationed in the area since the clashes in July last year. Sentence 2: Thai soldiers have shot two Cambodians crossing the border.


Output: 0