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

[EX Q]: Sentence: 'a group of men sitting by tables working on laptops'. How many words contain the letter 'l' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a woman on a bike with an umbrella'. How many words contain the letter 'e' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'passenger rail rain arriving at the station for passenger pick up'. How many words contain the letter 't' in the sentence.
[EX A]:
3