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: Microsoft Corp. and Intel Corp., on Monday, threw their weight behind the next-generation, HD DVD format being promoted by Toshiba Corp., in a blow to Sony Corp.'s Blu-ray format. Sentence 2: Microsoft Corp. invented the next generation HD DVD format.
Example Output: 0

Example Input: Sentence 1: Thanks to the thirty Heads who responded to my question about maternity leave. Clearly, the amount of maternity leave offered to teachers at international schools varies greatly from school to school. Sentence 2: Maternity leave varies in Europe.
Example Output: 0

Example Input: Sentence 1: Saint John's Cathedral is the oldest church in Warsaw. Sentence 2: In the Old Town, the Gothic St . John's Cathedral and the red-brick fortifications known as the Barbican remain from the medieval period.
Example Output:
0