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

Input: Consider Input: Sentence: 'a crowd of people flying kites near the capitol building'. How many words contain the letter 'a' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'some people standing around a line of tennis courts'. How many words contain the letter 'c' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a close shot of a lot of broccoli potatoes and apples'. How many words contain the letter 'q' in the sentence.


Output: 0