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 group of giraffes faces and stare in the same direction while one of the faces and stares in the other '. How many words start with the letter 'o' in the sentence.
[A]: 4


[Q]: Sentence: 'the bearded man is posing in a suit'. How many words start with the letter 'a' in the sentence.
[A]: 1


[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