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

[EX Q]: Sentence: 'a train that is pulling into the station'. How many words contain the letter 't' in the sentence.
[EX A]: 5

[EX Q]: Sentence: 'a large clock tower under a grey cloudy sky'. How many words contain the letter 'l' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a demolished bathroom with busted up fixtures under a window'. How many words contain the letter 't' in the sentence.
[EX A]:
4