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

[EX Q]: Sentence: 'a cat sitting on the arm of a chair'. How many words contain the letter 'g' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a pair of zebras looking towards the camera in a barren field'. How many words contain the letter 'u' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'main street sign under a stop light hanging in the air'. How many words contain the letter 'h' in the sentence.
[EX A]:
3