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: historically , the sensations of itch and pain have not been considered to be independent of each other until recently , where it was found that itch has several features in common with pain , but exhibits notable differences.

SOLUTION: the sensations of itch and pain have never been considered to be independent of each other until recently where it was found that itch has many features in common with pain but exhibits differences.

PROBLEM: also , please do your best to always fill in the edit summary field.

SOLUTION: also , please do your best to always fill in the , " edit summary " field.

PROBLEM: muslims performing i ' tikaf are required to stay within the mosque for ten consecutive days , often in worship or learning about islam.

SOLUTION:
muslims doing i ' tikaf are supposed to stay inside the mosque for ten days in a row , often in worship or learning about islam.