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

[Q]: Sentence: 'a line of very tall buildings next to a clock tower'. How many words contain the letter 'o' in the sentence.
[A]: 4


[Q]: Sentence: 'a television is sitting on a table in a room'. How many words contain the letter 'g' in the sentence.
[A]: 1


[Q]: Sentence: 'a bunch of people is watching something and a man in a brown and blue stripped shirt has his fingers in his ears'. How many words contain the letter 'r' in the sentence.
[A]:
5