| A | B |
| ambiguous (adjective) | having two or more possible meanings or interpretations; unclear; vague |
| baffle (verb) | to cause uncertainty in; puzzle |
| convoluted (adjective) | coiled or twisted; complicated or intricate |
| dilemma (noun) | a situation forcing a choice between two alternatives that are often difficult or unpleasant |
| enigma (noun) | someone or something that is hard to figure out; a puzzle |
| intricate (adjective) | having a complicated structure or pattern; complex; hard to understand |
| labyrinth (noun) | a network of winding, connected passages through which it is difficult to find one's way without help; a maze |
| quandary (noun) | a state of uncertainty or doubt |
| soluble (adjective) | capable of being solved or explained; capable of being easily dissolved |
| tactic (noun) | a method of achieving a goal; a strategy |