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

[EX Q]: Sentence: 'group of horses in a field with a pinto in the foreground'. How many words contain the letter 'h' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a person is riding a bicycle on the street'. How many words contain the letter 'b' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a white jet airliner flying in a blue sky'. How many words contain the letter 'k' in the sentence.
[EX A]:
1