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

Example Input: Sentence: 'a man sits on a bench with a dog in lap reading'. How many words contain the letter 'x' in the sentence.
Example Output: 0

Example Input: Sentence: 'a small plain kitchen with a white stove and microwave'. How many words contain the letter 'h' in the sentence.
Example Output: 3

Example Input: Sentence: 'tuk tuks and a horse drawn carriage on a foreign street'. How many words contain the letter 'z' in the sentence.
Example Output:
0