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

[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: 'people standing in a river surrounding an elephant some are touching it'. How many words contain the letter 'd' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a man riding skis up the side of a slope'. How many words contain the letter 'h' in the sentence.
[EX A]:
1