Answer:
Probably the most important sentence might be longest sentence.
Explanation:
because it give much detail about the topic. And sometime a short sentence may be an include but in generally the longest sentence is the most important sentence. When I look at the paragraph I understood the topic which about Vanilla and what is the Vanilla. I think the first sentence is the most important sentence but look at this sentence carefully, vanilla orchids are...... it give some clue
