"Disjunction" is the term among the terms given in the question that best describes the statement in question. The correct option among all the options that are given in the question is the second option or option "2". I hope that this answer has actually come to your great help.
Simple it says you use 33 drops of yellow originally and 44 drops of blue it appears that each drops are 11 drops lesser (from blue to yellow). Therefore, add 11 to 1212 and you get your answer.