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 computer monitor and other computer accessories are nicely organized on a desk'. How many words start with the letter 'o' in the sentence.
3

Sentence: 'a group of people eating a meal outside'. How many words start with the letter 'g' in the sentence.
1

Sentence: 'a female wearing short shorts and cutting a cake with a knife'. How many words start with the letter 'a' in the sentence.

4