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: Thanks to a global ban on the ivory trade that was passed in 1989 by the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), the African elephant population may be reversing its spiral toward extinction Sentence 2: The ban on ivory trade has been effective in protecting the elephant from extinction.

Output: 1


Input: Consider Input: Sentence 1: The dam covering what used to be its football pitch fill up with millions of tons of poisonous mining waste. Sentence 2: Mine waste-water poses an environmental hazard.

Output: 0


Input: Consider Input: Sentence 1: Pulitzer Prize-winning American novelist John Updike has died of lung cancer at a hospice near his home in Beverly Farms, Massachusetts. He was 76. Born John Hoyer Updike in Reading, Pennsylvania in 1932, he documented ordinary ―if highly sexualized ―American life in around 50 works, beginning with The Poorhouse Fair in 1959. He once said that his books were about "the American small town, Protestant middle class". Sentence 2: John Updike won the Pulitzer Prize.


Output: 1