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

[Q]: Sentence: 'street signs are affixed to a utility pole'. How many words contain the letter 'u' in the sentence.
[A]: 1

[Q]: Sentence: 'a woman in the city is holding a bright kite'. How many words contain the letter 'v' in the sentence.
[A]: 0

[Q]: Sentence: 'a toddler with pigtails holding a hot dog bun in both hands on a ledge with two soda cans'. How many words contain the letter 'l' in the sentence.
[A]:
4