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

Example Input: Sentence: 'he wants everyone to know that he has serious intentions for the tennis game'. How many words contain the letter 'h' in the sentence.
Example Output: 5

Example Input: Sentence: 'a laptop a table a mouse some dirt and water'. How many words contain the letter 'u' in the sentence.
Example Output: 1

Example Input: Sentence: 'a man with black sandles standing in a dress store'. How many words contain the letter 'y' in the sentence.
Example Output:
0