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

Sentence: 'snow boarder in midflight inverted with a steep snowy slope in the background'. How many words contain the letter 'j' in the sentence.
0

Sentence: 'a box filled with fresh fruit and vegetables'. How many words contain the letter 'w' in the sentence.
1

Sentence: 'a baseball player seeing where he hit the ball'. How many words contain the letter 'o' in the sentence.
0