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

[EX Q]: Sentence: 'a giraffe walking in the grass near a building'. How many words contain the letter 'd' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'smiling woman with hair in her face talking on a cellphone'. How many words contain the letter 'q' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a train with its light on near a platform'. How many words contain the letter 'u' in the sentence.
[EX A]:
0