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

Example Input: Sentence: 'a man showing a piece of hardware he took apart'. How many words contain the letter 'y' in the sentence.
Example Output: 0

Example Input: Sentence: 'a person that is wearing glasses looking into a mirror'. How many words contain the letter 'f' in the sentence.
Example Output: 0

Example Input: Sentence: 'the pizza that was ordered is half gone'. How many words contain the letter 't' in the sentence.
Example Output:
2