Teacher: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.
Teacher: Now, understand the problem? Solve this instance: A eulerian path in a graph is one that visits each edge of the graph once only .
Student:
In graph theory , an Eulerian trail ( or Eulerian path ) is a trail in a finite graph that visits every edge exactly once ( allowing for revisiting vertices ) .