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

Input: Consider Input: Sentence: 'an elephant standing on a green grass area'. How many words contain the letter 'm' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'a couple of cut outs of plants berries and apples'. How many words contain the letter 'd' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a crowded city street next to a church with lots of bikes parked in front of it'. How many words contain the letter 'x' in the sentence.


Output: 1