What is the prepositional phrase in this sentence?

the pie in the refrigerator is cooling.

Public opinion polls are used in marketing

This is a set of words that begins with a preposition.

Arrange the events below in chronological order. claudius and polonius hide themselves and listen in on hamlet's conversation with ophelia. claudius decides that hamlet's madness is not caused by neglected love and that he is dangerous. rosencrantz and guildenstern tell claudius that they still do not know the cause of hamlet's behavior. polonius suggests that he will hide and listen as the queen talks with hamlet.