In this task, you need to count the number of words in a sentence that contain the given letter

Input: Consider Input: Sentence: 'a large clock mounted in the face of a building'. How many words contain the letter 'e' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'two women in an arena with a cow'. How many words contain the letter 'u' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a close up of a person standing next to a horse'. How many words contain the letter 'x' in the sentence.


Output: 1