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

Input: Consider Input: Sentence: 'a group of people holding kites walking on a beach'. How many words contain the letter 'x' in the sentence.

Output: 0


Input: Consider Input: Sentence: 'zebra walking through some desolate savanna alone during the day'. How many words contain the letter 'e' in the sentence.

Output: 5


Input: Consider Input: Sentence: 'a pastry chef puts icing on a pastry'. How many words contain the letter 'p' in the sentence.


Output: 3