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: a considerable amount of research has been put into designs that avoid these delays as much as possible.

SOLUTION: a large amount of research has been put into designs that avoid these days as much as possible.

PROBLEM: the sheppard line currently has fewer users than the other two subway lines , and shorter trains are run.

SOLUTION: the sheppard line has fewer users than other two subway lines and shorter trains are run.

PROBLEM: neptune is the eighth and outermost-known planet from the sun in the solar system.

SOLUTION:
neptune is the eighth and outermost-known planet from the sun.