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

Example Input: Sentence: 'a man sleeping on a park bench then a woman looks at another man with a newspaper over his face on another park bench'. How many words contain the letter 't' in the sentence.
Example Output: 5

Example Input: Sentence: 'chopsticks and oriental food in white dishes sit on a wooden table'. How many words contain the letter 'z' in the sentence.
Example Output: 0

Example Input: Sentence: 'a group of trucks some carrying sheds and houses are lined up'. How many words contain the letter 'z' in the sentence.
Example Output:
0