premise: It appears they are setting up for the meet.
hypothesis: the people are meeting on Mars
explanation_1: Mars hasn't been colonized yet, so people can't possibly be having a meeting there. Usually meetings are set up and ready before the meeting happens, not at the same time.
premise_logic: exists e2 e1 p1 x1 x2.(n_thing(x1) & n_thing(x1) & Actor(e2,x1) & v_meet(e2) & exists e3 s1 x3.(a_up(s1) & Manner(e3,s1) & for(e3,x3) & n_the(x3) & Actor(e3,x1) & v_set(e3)) & Topic(e1,p1) & Actor(e1,x2) & v_appear(e1) & (x1 = x2))
hypothesis_logic: exists e1 x1 x2.(ne_geo_mars(x2) & n_people(x1) & on(e1,x2) & Actor(e1,x1) & v_meet(e1))
premise_sim: exists e2 e1 p1 x1 x2.(v_meet(e2) & v_appear(e1) & n_thing(x1) & exists e3 s1 x3.(v_set(e3) & n_the(x3) & for(e3,x3) & a_up(s1) & Manner(e3,s1) & Actor(e3,x1)) & Topic(e1,p1) & Actor(e2,x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists e1 x1 x2.(v_meet(e1) & on(e1,x2) & ne_geo_mars(x2) & n_people(x1) & Actor(e1,x1))