In reply to:
Alongside the ship careened by the tropical shore, a group of pirates buried beneath a coconut tree.
This is supposed to be an ungrammatical sentence, pure and simple. I'm trying to figure out why it's ungrammatical.
Here's a slight improvement brought about by a change of word order:
Alongside the careened ship by the tropical shore, a group of pirates buried beneath a coconut tree.
And here's a second improvement brought about by providing a direct object:
Alongside the careened ship by the tropical shore, a group of pirates buried treasure beneath a coconut tree.
I think without the direct object, the sentence is hopelessly ungrammatical. Can pirates bury beneath a coconut tree? Don't they have to bury something beneath that same tree?