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

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

Example Input: Sentence: 'a woman is laughing while sitting on a bed'. How many words contain the letter 'c' in the sentence.
Example Output: 0

Example Input: Sentence: 'an asian subway station with a subway car stationary'. How many words contain the letter 'l' in the sentence.
Example Output:
0