premise: A canoe in the distance on a lake as seen from another canoe.
hypothesis: A canoe has come untied from the dock and is drifting.
explanation_1: We are unaware it was ever tied to be able to say that it was untied from the dock.
explanation_2: The canoe may not be untied and drifting.  There could be people in the canoe near the dock.
explanation_3: The canoe on the lake may not have come untied from the dock and begun drifting.
premise_logic: exists e1 x1 x2 x3 x4 x5.(n_distance(x2) & a_topic(x1) & in(x1,x2) & on(x2,x3) & from(e1,x5) & n_canoe(x5) & -(x5 = x1) & n_canoe(x1) & n_canoe(x1) & Theme(e1,x4) & v_see(e1) & (x3 = x4) & n_lake(x3))
hypothesis_logic: exists e1 e2 p1 x1 x2 x3.(n_dock(x2) & Actor(e2,x3) & v_drift(e2) & n_canoe(x3) & from(e1,x2) & exists s1.(Theme(s1,x1) & a_untied(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_come(e1) & n_canoe(x1))
premise_sim: exists e1 x1 x2 x3 x4 x5.(v_see(e1) & on(x2,x3) & n_lake(x3) & n_distance(x2) & n_canoe(x5) & n_canoe(x1) & in(x1,x2) & from(e1,x5) & a_topic(x1) & Theme(e1,x4) & -(x5 = x1) & (x3 = x4))
hypothesis_sim: exists e1 e2 p1 x1 x2 x3.(v_drift(e2) & v_come(e1) & n_dock(x2) & n_canoe(x3) & n_canoe(x1) & from(e1,x2) & exists s1.(a_untied(s1) & Theme(s1,x1)) & Topic(e1,p1) & Actor(e2,x3) & Actor(e1,x1))