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

Sentence: 'a close up of a street sign that is not in english'. How many words contain the letter 'p' in the sentence.
1

Sentence: 'a large truck driving on a crowded street'. How many words contain the letter 'i' in the sentence.
1

Sentence: 'two people riding on the back of a large elephant'. How many words contain the letter 't' in the sentence.

3