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

Example Input: Sentence: 'a woman with a green umbrella crosses the wet street'. How many words contain the letter 'q' in the sentence.
Example Output: 0

Example Input: Sentence: 'a child on the sand and a boat and some water'. How many words contain the letter 's' in the sentence.
Example Output: 2

Example Input: Sentence: 'a guy with dark glasses playing with a disc'. How many words contain the letter 'd' in the sentence.
Example Output:
2