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

Example Input: Sentence: 'people riding on an old style passenger train'. How many words contain the letter 'q' in the sentence.
Example Output: 0

Example Input: Sentence: 'group of kids play frisbee golf in the middle of the woods'. How many words contain the letter 't' in the sentence.
Example Output: 2

Example Input: Sentence: 'fish broccoli and rice is on a plate'. How many words contain the letter 'z' in the sentence.
Example Output:
0