Answer:
I have a similar problem for my science class, but it's worded a little differently. I would say that a possible hypothesis is if (one type of flower) is planted alongside (another type), (one type of flower) will grow the best in the soil.
Explanation:
Since there are more than two things being tested, and the comparative stuff isn't known, you kind of just have to pick one. That's the best I could think of. Hope this helps!!!
In my opinion yes, because sometimes fictitious information can have information that may seem factual or possibly have something in it to make it look factual.
I think it's number 3 .......