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

Sentence: 'a couple of zebras and antelopes captured on a wildlife camera'. How many words contain the letter 'm' in the sentence.
1

Sentence: 'a girl is ready to serve the ball on a clay court'. How many words contain the letter 'd' in the sentence.
1

Sentence: 'keyboard with ipod shuffle in front on desk'. How many words contain the letter 'w' in the sentence.

1