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: Witching hour passed and Potter fans poured into bookshops around the world on Saturday, snatching up copies of the latest instalment in the series that promises to be the fastest-selling book in history. Sentence 2: Potter fans rushed to tills in order to purchase the book.

Output: 1


Input: Consider Input: Sentence 1: Frye says, that he (a homeopathy expert) and Iris Bell recently studied homeopathic treatment of fibromyalgia.  A new analysis - comparing published studies of homeopathic drugs to matched, randomly selected studies of medical drugs - suggests that these apparent homeopathic drug effects are merely placebo effects. Sentence 2: What really irks Frye and other doctors of homeopathy, however, is that homeopathic remedies are not supposed to be used like medical drugs.

Output: 0


Input: Consider Input: Sentence 1: As a result, the elephant has been brought back from the brink of extinction, thanks to the ban on international trade in ivory and other elephant products. Sentence 2: The ban on ivory trade has been effective in protecting the elephant from extinction.


Output: 1


