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

Example Input: Sentence: 'a living roomcomplete with couches chairs mantle and huge clock on the wall'. How many words contain the letter 't' in the sentence.
Example Output: 4

Example Input: Sentence: 'there is a person awaiting to cross this street'. How many words contain the letter 'a' in the sentence.
Example Output: 2

Example Input: Sentence: 'a woman playing a game of frisbee on a lush green field'. How many words contain the letter 'd' in the sentence.
Example Output:
1