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 green place mat sitting on a table with a couple of plates of food and a drink placed upon it'. How many words start with the letter 'p' in the sentence.
3

Sentence: 'a skateboarder doing a trick at a skate park'. How many words start with the letter 'a' in the sentence.
4

Sentence: 'view of a cluttered kitchen counter clothes hanging on back of chairs and a opened cabinet door'. How many words start with the letter 'o' in the sentence.

4