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

[EX Q]: Sentence: 'a plastic container filled with pastry balls sitting on a counter'. How many words contain the letter 'q' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a group of people on a beach beneath a cloudy sky'. How many words contain the letter 'g' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a bol of fruit and ice cream sit on a plate with a bagel'. How many words contain the letter 'k' in the sentence.
[EX A]:
0