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: this era coincided with the medieval warm period -lrb- 800 1300 -rrb- and stopped with the start of the little ice age -lrb- about 1250 1850 -rrb-.

SOLUTION: this era began during the medieval warm period , -lrb- 800-1300 -rrb- and ended with the start of the little ice age -lrb- 1250-1850 -rrb-.

PROBLEM: the images relayed back to earth from voyager 2 became the basis of a 1989 pbs all-night program , neptune all night.

SOLUTION: the pictures sent back to earth from voyager 2 became the subject of a 1989 pbs all-night program , neptune all night.

PROBLEM: for rowling , this scene is important because it shows harry 's bravery , and by retrieving cedric 's corpse , he demonstrates selflessness and compassion.

SOLUTION:
this scence is important for rowling because it shows harry 's bravery . by retrieving cedric 's corpse harry reveals his selflessness and compassion.