It was. It's because they all revolve around causation

strengthen: will ask which of the following, if true, provides support/strengthen

- w/ these, 'outside' info is being brought in so it will always say which of the

answers 'if true". . .

SA: will ask which of the following, if assumed, allows the conclusion to be followed

or the other way around

MBT: will ask which of the following must be true/is inferred/follows logically