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

[EX Q]: Sentence: 'a cat is walking on a wooden deck in the snow'. How many words contain the letter 'q' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a white biplane on grassy area next to buildings'. How many words contain the letter 'g' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'this is an awful looking pizza on a wood board'. How many words contain the letter 'w' in the sentence.
[EX A]:
2