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'.

Q: Sentence 1: In the early hours of April 15, 1912, the British luxury liner Titanic sank in the North Atlantic off Newfoundland, less than three hours after striking an iceberg. Sentence 2: The Titanic sank in 1912.

A: 1
****
Q: Sentence 1: The country's largest private employer, Wal-Mart Stores Inc., is being sued by a number of its female employees who claim they were kept out of jobs in management because they are women. Sentence 2: Wal-Mart sued for sexual discrimination

A: 1
****
Q: Sentence 1: The papers presented show that all European countries are experiencing rapidly aging populations that will cause sharp increases in the cost of retirement income over the next several decades. Sentence 2: National pension systems currently adopted in Europe are in difficulties.

A:
1
****
