premise: Interior scene of fairly full tour bus.
hypothesis: The bus is empty.
explanation_1: Full vs empty
explanation_2: A fairly full bus means there are a decent number of passengers on the bus; it cannot be empty.
explanation_3: The bus cannot be full and empty at the same time.
premise_logic: exists s1 s2 x1 x2 x3.(a_topic(x1) & of(x1,x2) & n_bus(x2) & of(x2,x3) & n_tour(x3) & a_full(s2) & Theme(s2,x2) & r_fairly(x2) & n_scene(x1) & a_interior(s1) & Theme(s1,x1))
hypothesis_logic: exists s1 x1.(n_bus(x1) & Theme(s1,x1) & a_empty(s1))