In this task, you need to count the number of words in a sentence that start with the given letter. Answer with numbers and not words.

Sentence: 'a grey cat starring at a hand with a donut'. How many words start with the letter 'a' in the sentence.
4

Sentence: 'five giraffes meandering along in their outdoor habitat'. How many words start with the letter 'f' in the sentence.
1

Sentence: 'a restroom painted red with a white toilet covered in rolls of toilet paper'. How many words start with the letter 'p' in the sentence.

2