Task: Text Categorization
Input (English): Question: Which of the following multivariate analysis techniques analyzes the covariation presented by a set of metric variables, susceptible of being synthesized in a set of common factors that lie behind them? 
 Options:  <0> Multiple discriminant analysis. <1> Multiple linear regression <2> Multivariate analysis of variance. <3> Factorial analysis. <4> Analysis of structural equations.
Output (English): psychology