premise: A man sits as a man behind him washes a bus.
hypothesis: Mark Twain has convinced Huckleberry Finn to wash the entire bus while Twain outlines his new novel.
explanation_1: "Washes a bus" means that the event is happening now, "has convinced to wash the entire bus" means that the event may or may not be happening now,
explanation_2: If Mark Twain sits then he cannot outline his novel simultaneously.
explanation_3: A man sits as another man washes a bus while Mark Twain has convinced Huckleberry Finn to wash the bus.
premise_logic: exists e1 p1 x1.(exists e2 x2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_wash(e2) & n_bus(x3) & behind(x2,x1) & n_man(x2)) & n_male(x1) & as(e1,p1) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
hypothesis_logic: exists e1 p1 p2 s1 s2 x1 x2 x3 x4 x5 x7 x8.(n_novel(x8) & a_new(s2) & Theme(s2,x8) & of(x8,x1) & n_male(x1) & ne_geo_twain(x1) & n_bus(x7) & a_entire(s1) & Theme(s1,x7) & ne_per_twain(x1) & (x1 = x3) & ne_per_mark(x3) & (x1 = x2) & ne_per_mark(x2) & Topic(e1,p2) & exists e2 p3.(exists e3.(Theme(e3,x8) & Actor(e3,x1) & v_outline(e3)) & while(e2,p3) & Theme(e2,x7) & Actor(e2,x1) & v_wash(e2)) & Time(e1,x5) & n_huckleberry(x5) & on(e1,x4) & ne_per_finn(x4) & exists x6.n_event(x6) & Topic(e1,p1) & Actor(e1,x1) & v_convince(e1))