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

Example Input: Sentence: 'an airplane in the sky trailing condensation'. How many words contain the letter 'p' in the sentence.
Example Output: 1

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 green metal street signs with spanish words on it'. How many words contain the letter 'q' in the sentence.
Example Output:
0