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

[EX Q]: Sentence: 'the zebra is showing his rear end to the camera'. How many words contain the letter 'r' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a woman riding a motorcycle down a busy city street'. How many words contain the letter 'w' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a man flying through the air while riding a skateboard'. How many words contain the letter 'p' in the sentence.
[EX A]:
0