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 young blonde drinking wine in a restaurant'. How many words start with the letter 'i' in the sentence.
[A]: 1


[Q]: Sentence: 'a person on skis goes across a snowy slope'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'the pigeons are walking around in the park around the benches'. How many words start with the letter 'b' in the sentence.
[A]:
1