All model fragments that contain any behavioral description.
(=> (Instantiation-Condition $X $Y) (Behavior-Model $X)) (=> (Active $X $Y) (Behavior-Model $X)) (=> (Quantity-Slots $X $Y) (Behavior-Model $X)) (=> (Qualitative-Parameters $X $Y) (Behavior-Model $X)) (=> (Participant-Slots $X $Y) (Behavior-Model $X))