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 person that is playing a tennis game'. How many words contain the letter 'j' in the sentence.
Example Output: 0

Example Input: Sentence: 'a construction worker smashes away at the roof of a building'. How many words contain the letter 'b' in the sentence.
Example Output:
1