A group of hikers are climbing among volcanic rock.
A group of people play poker at the kitchen table.
A group of people are either climbing among volcanic rock or play poker at the kitchen table.
exists e1 s1 x1 x2 x3.(among(e1,x3) & n_rock(x3) & a_volcanic(s1) & Theme(s1,x3) & Actor(e1,x1) & v_climb(e1) & of(x1,x2) & n_hiker(x2) & n_group(x1))
exists e1 x1 x2 x3 x4 x5.(n_table(x4) & of(x4,x5) & n_kitchen(x5) & at(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_poker(x3) & of(x1,x2) & n_people(x2) & n_group(x1))