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

Example Input: Sentence: 'an elephant near a man sitting down'. How many words contain the letter 'y' in the sentence.
Example Output: 0

Example Input: Sentence: 'a large red sign on a metal pole'. How many words contain the letter 'q' in the sentence.
Example Output: 0

Example Input: Sentence: 'two people standing in a kitchen one with a deck of card in his hands'. How many words contain the letter 'j' in the sentence.
Example Output:
0