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

[EX Q]: Sentence: 'bus parked next to a side walk on the road'. How many words contain the letter 'd' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a dog lying down with a blanket on top of it'. How many words contain the letter 'o' in the sentence.
[EX A]: 5

[EX Q]: Sentence: 'a giraffe standing on a lush green field with trees'. How many words contain the letter 'j' in the sentence.
[EX A]:
0