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

[EX Q]: Sentence: 'a airplane is seen at the airport with other airplanes'. How many words contain the letter 'z' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a construction worker smashes away at the roof of a building'. How many words contain the letter 'b' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'the bottle and pizza slice sat in the empty box next to the candle'. How many words contain the letter 'h' in the sentence.
[EX A]:
3