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

[EX Q]: Sentence: 'a large jetliner with a space shuttle on its back next to a fighter jet'. How many words contain the letter 'm' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a woman with long red hair packing herself into a suitcase'. How many words contain the letter 'i' in the sentence.
[EX A]: 5

[EX Q]: Sentence: 'herd of sheep cross paved street while 2 cars wait'. How many words contain the letter 't' in the sentence.
[EX A]:
2