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

[EX Q]: Sentence: 'a cat sitting on a wooden chair look at the camera'. How many words contain the letter 'd' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'multiple birds on the ground in a parking lot'. How many words contain the letter 'm' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a big brown bear sitting on the ground'. How many words contain the letter 's' in the sentence.
[EX A]:
1