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

Sentence: 'some elephants in a field of grass near a tree'. How many words contain the letter 'k' in the sentence.
0

Sentence: 'two green metal street signs with spanish words on it'. How many words contain the letter 'q' in the sentence.
0

Sentence: 'a bathroom with a toilet with a wooden seat top'. How many words contain the letter 'w' in the sentence.

3