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

Example Input: Sentence: 'a little boy that is sitting near two birds'. How many words contain the letter 'm' in the sentence.
Example Output: 0

Example Input: Sentence: 'a cat in a tie sits on the couch'. How many words contain the letter 't' in the sentence.
Example Output: 4

Example Input: Sentence: 'two men who are looking at a laptop computer'. How many words contain the letter 'i' in the sentence.
Example Output:
1