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

Sentence: 'a couple is fast asleep at 3 in the morning'. How many words contain the letter 'y' in the sentence.
0

Sentence: 'a woman bent down on the street holding her umbrella'. How many words contain the letter 'x' in the sentence.
0

Sentence: 'a group of giraffes standing in a grassy area next to a pond'. How many words contain the letter 'k' in the sentence.

0