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 yellow fire hydrant is placed in the grass'. How many words start with the letter 'i' in the sentence.
[A]: 2


[Q]: Sentence: 'a blue brick building with a man leaning on it'. How many words start with the letter 'b' in the sentence.
[A]: 3


[Q]: Sentence: 'a vintage photo of a woman sitting on a horse with a man in a suit standing'. How many words start with the letter 'i' in the sentence.
[A]:
1