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

Sentence: 'a brown bear standing next to a giant rock'. How many words contain the letter 'j' in the sentence.
0

Sentence: 'an untidy room with clothes bottles next to an oven'. How many words contain the letter 'a' in the sentence.
2

Sentence: 'red london double decker bus driving down the street'. How many words contain the letter 'd' in the sentence.

6