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

Example Input: Sentence: 'a mirror above a bathroom sink next to a window'. How many words contain the letter 'v' in the sentence.
Example Output: 1

Example Input: Sentence: 'a zebra is standing in the shallow water'. How many words contain the letter 't' in the sentence.
Example Output: 3

Example Input: Sentence: 'a woman standing by a sink with carrots on the counter'. How many words contain the letter 'm' in the sentence.
Example Output:
1