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

[EX Q]: Sentence: 'an untidy room with clothes bottles next to an oven'. How many words contain the letter 'a' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a smiling man holds out a card with color swatches'. How many words contain the letter 'i' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'two young giraffes stand behind the gate of an enclosure'. How many words contain the letter 'w' in the sentence.
[EX A]:
1