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

Example Input: Sentence: 'a young girl plays tennis in a court with grass in the cracks'. How many words contain the letter 'w' in the sentence.
Example Output: 1

Example Input: Sentence: 'zebra walking through some desolate savanna alone during the day'. How many words contain the letter 'e' in the sentence.
Example Output: 5

Example Input: Sentence: 'the television is on in a cluttered residential room decorated with christmas lights'. How many words contain the letter 'v' in the sentence.
Example Output:
1