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

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

Sentence: 'a cat lying on an open laptop that is on a bed'. How many words contain the letter 'y' in the sentence.
1

Sentence: 'an old man holding a yellow umbrella and a flag'. How many words contain the letter 't' in the sentence.

0