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

[EX Q]: Sentence: 'a man skiing through a snowcovered street area'. How many words contain the letter 'p' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a biscuit that someone has taken a bite out of'. How many words contain the letter 'k' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a picture of a building in the background and the numbers one to 10 in the foreground'. How many words contain the letter 'l' in the sentence.
[EX A]:
1