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: the spanish did not manage to conquer the island until 1697 , after several attempts , that begun in 1629 , when they marched in , from corozal in belize , yucatán and alta verapaz , attacked via boats and destroyed it.

SOLUTION: the spanish were not able to take over the island until 1697 , after many tries that began in 1629 , when they marched in from corozal in belize , yucatan and alta verapaz , attacked via boats and destroyed it.

PROBLEM: it is said to be electrogenic ; a fish that has the ability to detect electric fields is said to be electroreceptive.

SOLUTION: it is said to be electrogenic ; a fish that has the ability to findt electric fields is said to be electroreceptive.

PROBLEM: west berlin had its own postal administration , separate from west germany 's , which issued its own postage stamps until 1990.

SOLUTION:
west berlin had its own postal administration , separate from west germany which issued its own postage stamps.