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

[EX Q]: Sentence: 'a white pickup truck thats parked on the corner of an intersection'. How many words contain the letter 'v' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a couple of lambs that are in the dirt'. How many words contain the letter 'l' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a family room and small kitchen with laundry machine'. How many words contain the letter 'k' in the sentence.
[EX A]:
1