TASK DEFINITION: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
PROBLEM: Single transferable vote ( STV for short ) is a type of voting system .

SOLUTION: The single transferable vote ( STV ) is a voting system designed to achieve proportional representation through ranked voting in multi-seat organizations or constituencies ( voting districts ) .

PROBLEM: Race length can be either a time or a number of laps .

SOLUTION: Race length can be determined by a number of laps or total time , in which case the number of remaining laps is calculated as the race progresses .

PROBLEM: Merton College is one of the colleges of the University of Oxford .

SOLUTION:
Merton College ( in full : The House or College of Scholars of Merton in the University of Oxford ) is one of the constituent colleges of the University of Oxford in England .