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: 'the men are holding on to surfboards outside'. How many words start with the letter 'o' in the sentence.
[A]: 2


[Q]: Sentence: 'a busy train yard packed with trains and tracks'. How many words start with the letter 't' in the sentence.
[A]: 3


[Q]: Sentence: 'a boat that is in a body of water'. How many words start with the letter 'b' in the sentence.
[A]:
2