Simplify the following text for a Grade 7 native English-speaking person.
Original: His real motive is to persuade young Aladdin to retrieve a wonderful oil lamp from a booby-trapped magic cave . After the sorcerer attempts to double-cross him , Aladdin finds himself trapped in the cave .
Simplified: The young man Aladdin is told by a sorcerer ( magician ) to get him an oil lamp from a cave .