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.

[EX Q]: 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.
[EX A]: 3

[EX Q]: Sentence: 'a man and luggage carts outside of an airplane'. How many words start with the letter 'o' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a book sitting on top of a bed next to pillows'. How many words start with the letter 'b' in the sentence.
[EX A]:
2