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

Example Input: Sentence: 'a couple poses under a banner of a turkey'. How many words contain the letter 'v' in the sentence.
Example Output: 0

Example Input: Sentence: 'a woman surfer is on an ocean wave'. How many words contain the letter 's' in the sentence.
Example Output: 2

Example Input: Sentence: 'a name and clock lit up at night'. How many words contain the letter 'y' in the sentence.
Example Output:
0