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

[EX Q]: Sentence: 'a close up of a business sign on a building'. How many words contain the letter 'y' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'zebra eating from the ground near a tree'. How many words contain the letter 'k' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a couple with an umbrella overlooking boats in the water'. How many words contain the letter 'z' in the sentence.
[EX A]:
0