Definition: 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: Sentence 1: Bush and his wife, Laura, departed the White House on Thursday afternoon to spend four days at the wooded presidential retreat of rustic cabins in the Maryland mountains. Along with the first lady's mother, Jenna Welch, the weekend gathering includes the president's parents, former President George H.W. Bush and his wife, Barbara; his sister Doro Koch and her husband, Bobby; and his brother, Marvin, and his wife, Margaret. Sentence 2: The name of George H.W. Bush's wife is Barbara.

1