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

[EX Q]: Sentence: 'the bowl on the table is full of cut fruit'. How many words contain the letter 'b' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'two zebras standing next to each other in the dried grass'. How many words contain the letter 'q' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a number of horses tethered to a wooden bench'. How many words contain the letter 'u' in the sentence.
[EX A]:
1