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 man holding a white frisbee while standing on top of a  beach'. How many words start with the letter 'o' in the sentence.
2

Sentence: 'a scooter with a bag on it parked next to a pasture with two cows in it'. How many words start with the letter 'i' in the sentence.
3

Sentence: 'a living room has a table couch chair and television'. How many words start with the letter 'a' in the sentence.

3