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: 'three children standing behind a little girl with a bat in her hands'. How many words contain the letter 'c' in the sentence.
1

Sentence: 'an orange cat is lounging on a gray couch'. How many words contain the letter 'c' in the sentence.

2