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

[Q]: Sentence: 'a commuter train near a platform with no one on it'. How many words contain the letter 'z' in the sentence.
[A]: 0


[Q]: Sentence: 'a green and white street sign on a pole and a light'. How many words contain the letter 's' in the sentence.
[A]: 2


[Q]: Sentence: 'a single pink flower sits in a vase'. How many words contain the letter 't' in the sentence.
[A]:
1