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

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: 'man in blue shirt hitting a tennis ball back'. How many words contain the letter 'q' in the sentence.
Example Output: 0

Example Input: Sentence: 'an image of a man that is on a surfboard in the ocean'. How many words contain the letter 'c' in the sentence.
Example Output:
1