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: The planet probably got this name due to its red color; Mars is sometimes referred to as 'the Red Planet'. Sentence 2: Mars is called 'the red planet'.

1