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 bed with a wooden chest of drawers on it'. How many words start with the letter 'o' in the sentence.
[A]: 2


[Q]: Sentence: 'a man in an apron working in front of a fireplace'. How many words start with the letter 'a' in the sentence.
[A]: 4


[Q]: Sentence: 'a bunch of elephants in the middle of sombe rush and some fallen tree trunks'. How many words start with the letter 'b' in the sentence.
[A]:
1