A group of hikers are resting on the ground in front of some mountains.
The hikers are performing an opera the Civic Opera House in Chicago.
The hikers can be either resting or performing an opera.
exists e1 x1 x2 x3 x4 x5.(n_ground(x3) & on(e1,x3) & in(x3,x4) & of(x4,x5) & n_mountain(x5) & n_front(x4) & Actor(e1,x1) & v_rest(e1) & of(x1,x2) & n_hiker(x2) & n_group(x1))
exists e1 x1 x2 x3 x4 x5 x6.(ne_geo_chicago(x6) & ne_org_house(x2) & (x2 = x4) & ne_org_opera(x4) & (x2 = x3) & ne_org_civic(x3) & n_hiker(x1) & in(e1,x6) & n_opera(x5) & Time(e1,x5) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1))