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

Example Input: Sentence: 'a man riding waves on his surfboard in the ocean'. How many words contain the letter 'v' in the sentence.
Example Output: 1

Example Input: Sentence: 'a woman working her small shared office cubicle'. How many words contain the letter 'g' in the sentence.
Example Output: 1

Example Input: Sentence: 'a statue of a person holding a sign'. How many words contain the letter 'y' in the sentence.
Example Output:
0