| A | B |
| Ambiguous | having two or more possible meanings or interpretations; unclear |
| Baffle | to cause uncertainity in |
| Convoluted | coiled or twisted |
| Dilemma | a situation forcing a choice between two alternatives that are often difficult or unpleasant |
| Enigma | someone or something that is hard to figure out |
| Intricate | having a complicated structutre or pattern |
| Labyrinth | a network of winding, connected passages through which it is difficult to find one's way without help |
| Quandry | a state of uncertainty or doubt |
| Soluble | capable of being solved or explained |
| Tactic | a method of achieving a goal |