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

[EX Q]: Sentence: 'a smiling  woman wearing a hat holds up a snowboard'. How many words contain the letter 'b' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a picture of some horses and a person in the street'. How many words contain the letter 'r' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a man in a wetsuit surfboarding in the waves'. How many words contain the letter 'o' in the sentence.
[EX A]:
1