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

[EX Q]: Sentence: 'an image of a man with a tennis racket in hand'. How many words contain the letter 'u' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'the two ladies was sitting on the sofa'. How many words contain the letter 'l' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a train going through rough hilly terrain with a shadowy figure and park bench in the foreground'. How many words contain the letter 's' in the sentence.
[EX A]:
1