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.

[EX Q]: working group i : assesses scientific aspects of the climate system and climate change.
[EX A]: working group i : asseses scientific aspects of climate system and change.

[EX Q]: in 2005 ewen joined the r & b group trinity stone which achieved limited success in the uk , ireland , and russia.
[EX A]: in 2005 ewen joined the r & b group trinity stone which achieved limited success in the uk , ireland and russia.

[EX Q]: when disagreement occurs , explain yourself using talk pages , and give others the opportunity to do the same.
[EX A]:
when a disagreement occurs , explain yourself using discussion pages , and give others the chance to do the same.