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

[EX Q]: Sentence: 'a line of very tall buildings next to a clock tower'. How many words contain the letter 'o' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'two cats stand beside a pink door and potted plants'. How many words contain the letter 'z' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a small bed is in an attic type room'. How many words contain the letter 'k' in the sentence.
[EX A]:
0