Definition: Given the Question and Answer pair, detect whether the answer is acceptable or not. Denote acceptable answer as "yes", otherwise denote as "no". An acceptable answer is consistent with the context in question, detailed, long, and uses general knowledge of English. Answers that are not definite and suggest a variety of options are not acceptable answers.
Input: Question: So basically, I know the name for both sides of a coin, yet not the coin itself. In other words, when you refer to a coin, you don't want to say 'this object with one side heads, and the other tails', you would want to say 'this coin'. What I want is a general term to refer to two ideas, that are the absolute opposite to each other. I can't really use the word 'concept', or 'idea', because such words are already assigned to the very concepts/ideas themselves. 
Answer: Dichotomy. =] More generally, not limited to two ideas or opposing ones. Abstract concept or meta concept. In programming, we usually refer to it as a class, parent class, or abstract. Note that Abstract concept or meta concept can refer to something with more than two species, and to things that aren't limited to opposing species either. It's even more general / abstract ;).

no