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: The U.S. space shuttle Atlantis, its lights flashing like a beacon, smoothly docked with Russia's space station Mir Wednesday on its mission to pick up U.S. astronaut Shannon Lucid, who has spent a record-breaking six months in orbit. Sentence 2: US shuttle Atlantis docks with the Mir space station.
Example Output: 1

Example Input: Sentence 1: Since 1987, however, Brazil has taken steps to dramatically reduce the destruction, including stepped-up enforcement and the elimination of tax incentives that led to large-scale land clearing. Sentence 2: In the early 1990s Brazil began to take action to save the rainforest.
Example Output:
0