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: after reviewing the documents , some historians suggest that adams does not deserve equal credit with le verrier.

SOLUTION: after looking at the documens , some historians say that adams does not deserve equal credit with le verrier.

PROBLEM: in 2006 , phil downing left the band , citing communication problems with other members.

SOLUTION: phil downing left the band in 2006 because he had difficulties talking to the other people in the band.

PROBLEM: the high mountainous alps in the west of austria flatten somewhat into low lands and plains in the east of the country.

SOLUTION:
the high mountainous alps located in western austria , flatten into low lands and plains in the east of the country.