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

Example Input: Sentence: 'a road cut off by police barricade tape'. How many words contain the letter 'x' in the sentence.
Example Output: 0

Example Input: Sentence: 'a mother zebra standing next to a baby zebra'. How many words contain the letter 'e' in the sentence.
Example Output: 4

Example Input: Sentence: 'a little girl sitting at a table eating cake'. How many words contain the letter 'z' in the sentence.
Example Output:
0