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

[EX Q]: Sentence: 'a man walking with rolling luggage and many bags'. How many words contain the letter 'g' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'a girl is ready to serve the ball on a clay court'. How many words contain the letter 'd' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a white plastic container filled with fruit and cakes'. How many words contain the letter 'd' in the sentence.
[EX A]:
2