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: it is currently used mostly for football matches and is the home stadium of union sportive du foyer de la regie abidjan-niger.

SOLUTION: presently it is used in most times for football matches and is the home stadium of union sportive du foyer de la regie abidjan-niger.

PROBLEM: the empire of nicaea succeeded in capturing constantinople and the rest of the latin empire , thus re-establishing the byzantine empire.

SOLUTION: the byzantine empire came back when the empire of nicaea captured constantinople and the latin empire.

PROBLEM: fluctuations of this line horizon describe all matter , so every elementary particle can be described by a mode of oscillation of a very small segment or loop of string.

SOLUTION:
fluctuations of this line horizon describe all matter so every elementary particle can be described by a mode of oscillation of a small segment.