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

[EX Q]: Sentence: 'a young skateboarder is performing tricks in a driveway'. How many words contain the letter 'd' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a woman smiling for the camera while on a boat'. How many words contain the letter 'e' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a train coming down the tracks on a cloudy day'. How many words contain the letter 'z' in the sentence.
[EX A]:
0