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

Example Input: Sentence: 'a man sanding next to a cow in a pen'. How many words contain the letter 'h' in the sentence.
Example Output: 0

Example Input: Sentence: 'a boy is doing a trick with his skateboard'. How many words contain the letter 'y' in the sentence.
Example Output: 1

Example Input: Sentence: 'a table with two apples an egg peanut butter and some bread'. How many words contain the letter 'p' in the sentence.
Example Output:
2