premise: A group of people are sight seeing and taking pictures.
hypothesis: there are a group of people
explanation_1: A group of people sight seeing means there are a group of people.
explanation_2: Group of people sight seeing are a type of group of people.
explanation_3: A group of people are sight seeing and taking pictures means that there are a group of people
premise_logic: exists e2 e1 p1 x1 x2 x3 x4.(for(p1,e2) & Theme(e2,x4) & Actor(e2,x1) & v_take(e2) & n_picture(x4) & for(p1,e1) & Theme(e1,x3) & Actor(e1,x1) & v_see(e1) & n_picture(x3) & exists x5.((x1 = x5) & n_sight(x5)) & of(x1,x2) & n_people(x2) & n_group(x1))
hypothesis_logic: exists p1 x1 x2 x3.((x1 = x2) & of(x2,x3) & n_people(x3) & n_group(x2))
premise_sim: exists e2 e1 p1 x1 x2 x3 x4.(v_take(e2) & v_see(e1) & of(x1,x2) & n_picture(x4) & n_picture(x3) & n_people(x2) & n_group(x1) & for(p1,e2) & for(p1,e1) & exists x5.(n_sight(x5) & (x1 = x5)) & Theme(e2,x4) & Theme(e1,x3) & Actor(e2,x1) & Actor(e1,x1))
hypothesis_sim: exists x1 x2 x3.(of(x2,x3) & n_people(x3) & n_group(x2) & (x1 = x2))