premise: An elderly saxophonist performing at an outdoor event.
hypothesis: A young violinist plays an violin indoors.
explanation_1: If an elderly saxophonist is performing at outdoor event, they cannot not possible be a young violinist who plays indoors.
explanation_2: elderly means old and young means youthful
explanation_3: A saxophonist plays a saxophone and is not a violinist playing a violin, he can't be both indoors and outdoors and if he's playing outside he can't be playing inside at an event and he can't be both elderly and young
premise_logic: exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & at(e1,x3) & n_event(x3) & a_outdoor(s2) & Theme(s2,x3) & Actor(e1,x2) & v_perform(e1) & (x1 = x2) & n_saxophonist(x1) & a_elderly(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_indoor(x2) & of(x2,x3) & n_violin(x3) & n_violinist(x1) & a_young(s1) & Theme(s1,x1))