The chandelier dangled over the table, on which the girl stood dancing, but then she fell onto the floor.
The prepositional phrases are as follows;
OVER the table
ON which the girl stood dancing
ONTO the floor
I really hope I helped! : )
I choose the last option "We do not know if the sacrifice appeased Poseidon or not."
Please correct if I'm wrong!! :)
Choosing a topic would be the best option