Task: Pos Tagging
Input (English): Sentence: So , for happy years , Helva scooted around in her shell with her classmates , playing such games as Stall , Power-Seek , studying her lessons in trajectory , propulsion techniques , computation , logistics , mental hygiene , basic alien psychology , philology , space history , law , traffic , codes : all the et {{ ceteras }} that eventually became compounded into a reasoning , logical , informed citizen . 
Word: ceteras
Output (English): X