Task: Text Categorization
Input (English): Question: If you want to study the efficacy and safety of a new cytostatic for a specific oncological process and, at the same time, contrast the efficacy that adds a new monoclonal antibody to this treatment, what would be the most appropriate study design? 
 Options:  <0> Parallel test. <1> Cross test <2> Factorial test. <3> Sequential test. <4> Test of n = 1.
Output (English): medicine