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

[EX Q]: Sentence: 'a room with a small light in the middle with a computer'. How many words contain the letter 's' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a man with a hat on sitting in a car with the door open and a laptop on his lap'. How many words contain the letter 'e' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a number of people ride on surf boards in the water'. How many words contain the letter 'k' in the sentence.
[EX A]:
0