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 microwaved broccoli and cheese dish and a spoon'. How many words contain the letter 'n' in the sentence.

Output: 3

Input: Consider Input: Sentence: 'a cat is peeping out from under a blanket'. How many words contain the letter 'n' in the sentence.
Output: 3