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

Sentence: 'a lighthouse with birds flying by it at a bay'. How many words contain the letter 'q' in the sentence.
0

Sentence: 'a airplane is seen at the airport with other airplanes'. How many words contain the letter 'z' in the sentence.
0

Sentence: 'a fuel truck is parked next to an airplane'. How many words contain the letter 's' in the sentence.

1