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: 'four boats on the sand on the beach'. How many words start with the letter 'o' in the sentence.
[A]: 2


[Q]: Sentence: 'a bath tub sink and window located in a bathroom'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a bunch of stuff is on a wood desk'. How many words start with the letter 'a' in the sentence.
[A]:
2