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

[EX Q]: Sentence: 'a box filled with fresh fruit and vegetables'. How many words contain the letter 'w' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a man herding brown colored animals with a dog'. How many words contain the letter 'z' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a young man riding a skate board doing a wheelie'. How many words contain the letter 'k' in the sentence.
[EX A]:
1