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

Input: Consider Input: Sentence: 'some soldiers cutting into a big sheet cake on a table'. How many words contain the letter 'c' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a man wearing a striped tie and a hat'. How many words contain the letter 'h' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'the man and woman are eating the same donut hole'. How many words contain the letter 'e' in the sentence.


Output: 6