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

[Q]: Sentence: 'many people are playing a sports video game while standing up'. How many words contain the letter 'l' in the sentence.
[A]: 3


[Q]: Sentence: 'a woman in a wheelchair is about to play tennis'. How many words contain the letter 'r' in the sentence.
[A]: 1


[Q]: Sentence: 'a pedestrian area with square stone walkways benches and trees along with an elephant statue'. How many words contain the letter 'h' in the sentence.
[A]:
4