premise: A group of rollerskaters skate on a patch of cement with palm trees in the background.
hypothesis: A group of people are rollerskating.
explanation_1: A group of people is a group.
explanation_2: People rollerskating are rollerskaters.
explanation_3: Rollerskaters are a kind of people
premise_logic: exists e1 x1 x2 x3 x4 x5 x6 x7.(n_background(x7) & on(e1,x3) & in(x3,x7) & with(x3,x5) & n_tree(x5) & of(x5,x6) & n_palm(x6) & of(x3,x4) & n_cement(x4) & n_patch(x3) & Actor(e1,x1) & v_skate(e1) & of(x1,x2) & n_rollerskater(x2) & n_group(x1))
hypothesis_logic: exists e1 x1 x2.(Actor(e1,x1) & v_rollerskate(e1) & of(x1,x2) & n_people(x2) & n_group(x1))