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'.

Sentence 1: El-Nashar was detained July 14 in Cairo after Britain notified Egyptian authorities that it suspected he may have had links to some of the attackers. Sentence 2: El-Nashar was arrested in Egypt.
1

Sentence 1: Ostriches put their heads into the sand to avoid the wind. Sentence 2: Ostriches bury their heads in the sand.
1

Sentence 1: A Colombian airliner has crashed in a remote area of Venezuela killing all 160 people on board. Sentence 2: A Colombian plane crashed in a remote region of Venezuela.

1