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

[EX Q]: Sentence: 'a young man dressed like a pirate on a skateboard'. How many words contain the letter 'a' in the sentence.
[EX A]: 6

[EX Q]: Sentence: 'a man with a long coat and a hat skating on the road'. How many words contain the letter 'q' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a baby elephant playing in the mud with its face in the dirt'. How many words contain the letter 'n' in the sentence.
[EX A]:
4