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

Example Input: Sentence: 'cars parked on the side of the road beside a fire hydrant'. How many words contain the letter 'p' in the sentence.
Example Output: 1

Example Input: Sentence: 'the children are playing on the beach  next to the water'. How many words contain the letter 'h' in the sentence.
Example Output: 5

Example Input: Sentence: 'group of children in a gym playing with tennis rackets'. How many words contain the letter 'j' in the sentence.
Example Output:
0