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

Example Input: Sentence: 'a person skiing down part of a marked race course'. How many words contain the letter 'z' in the sentence.
Example Output: 0

Example Input: Sentence: 'a man sits beside large bags of fruit in a market'. How many words contain the letter 't' in the sentence.
Example Output: 3

Example Input: Sentence: 'a wooden table with long chairs at a restaurant'. How many words contain the letter 'x' in the sentence.
Example Output:
0