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

Input: Consider Input: Sentence: 'a woman is smiling next to a dog'. How many words contain the letter 'j' in the sentence.

Output: 0

Input: Consider Input: Sentence: 'a stop sign that has been spray painted'. How many words contain the letter 'o' in the sentence.

Output: 1

Input: Consider Input: Sentence: 'woman player in mid motion of serving the tennis ball'. How many words contain the letter 'e' in the sentence.
Output: 4