8112
We show how the resulting optimization problem can be reduced to an equivalent convex problem with a small number of constraints , and solve it using an efficient scheme .
 convex problem, optimization problem
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 convex problem, optimization problem