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

[EX Q]: Sentence: 'a large dog curls up on the pillow on a bunk bed'. How many words contain the letter 't' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a bunch of white hyacinths arranged in a vase'. How many words contain the letter 'r' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a group of men are playing baseball outside'. How many words contain the letter 'z' in the sentence.
[EX A]:
0