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

[EX Q]: Sentence: 'a person in the air on skis on a mountain slope'. How many words contain the letter 'w' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'child standing in front of a stop sign on a suburban street corner'. How many words contain the letter 'u' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a piece of food that is seasoned with different things'. How many words contain the letter 'g' in the sentence.
[EX A]:
1