TASK DEFINITION: In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.
PROBLEM: the centrepiece is cathedral cave with the massive altar rock.

SOLUTION: the centerpiece is cathedral cave with the huge altar rock.

PROBLEM: it fared much better than the rocker , opening at # 2.

SOLUTION: opening at # 2 , it was better than the rock.

PROBLEM: this belief most likely stemmed from the fact that it is possible to have the furby say certain pre-programmed words or phrases more often by petting it whenever it said these words.

SOLUTION:
this belief most likely stemmed from the fact.