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 bottle of beer and a red plate of food'. How many words contain the letter 'u' in the sentence.
Example Output: 0

Example Input: Sentence: 'a doll is on a desk with a banana'. How many words contain the letter 'l' in the sentence.
Example Output:
1