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.

[Q]: 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.
[A]: 2


[Q]: Sentence: 'a bowl of vegetables and fruit such as oranges cantaloupe and peaches sits on a brightly colored table'. How many words start with the letter 'c' in the sentence.
[A]: 2


[Q]: Sentence: 'horses standing around in the grass while one eats it'. How many words start with the letter 'e' in the sentence.
[A]:
1