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

Example Input: Sentence: 'man running to catch a frisbee in a springtime park'. How many words contain the letter 'j' in the sentence.
Example Output: 0

Example Input: Sentence: 'a green blue and yellow boat sitting in a harbor'. How many words contain the letter 'o' in the sentence.
Example Output: 3

Example Input: Sentence: 'some people and a couple buses on the street'. How many words contain the letter 'm' in the sentence.
Example Output:
1