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

Sentence: 'a clock in the middle of a building'. How many words contain the letter 'x' in the sentence.
0

Sentence: 'a group of people dressed to ski standing in the snow'. How many words contain the letter 'b' in the sentence.
0

Sentence: 'a man riding skis on top of a snow covered mountain'. How many words contain the letter 'e' in the sentence.

1