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'.

Ex 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.

Ex Output:
1


Ex Input:
Sentence 1: One year on from the Indian Ocean tsunami, the world's grief and compassion returned to the tsunami-battered coastlines of the Indian Ocean, where at least 216,000 people lost their lives. Under a clear sky and before a gentle sea, the world commemorated those who lost their lives, in one of the worst natural disasters that the modern world has experienced. Sentence 2: Earthquakes have the potential to generate a tsunami.

Ex Output:
0


Ex Input:
Sentence 1: Civic Alliance, the umbrella group of civic groups involved in rebuilding, hosted a large, public, town-hall meeting for 5,000 people, called "Listening to the City" in July 2002. Sentence 2: The Civic Alliance is an umbrella group.

Ex Output:

1