many people are sitting at wooden tables overlooking snow covered mountains.
People are riding over sand dunes.
People cannot be riding and sitting at wooden tables simultaneously. Snow covered mountains and sand dunes are different geographic formations.
exists e1 e3 e2 s1 x1 x2 x3 x4 x5.(at(e1,x2) & Theme(e3,x4) & Actor(e3,x3) & v_overlook(e3) & n_mountain(x4) & Theme(e2,x4) & v_cover(e2) & of(x4,x5) & n_snow(x5) & (x2 = x3) & n_table(x2) & a_wooden(s1) & Theme(s1,x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & n_quantity(x1))
exists e1 x1 x2 x3.(over(e1,x2) & n_dune(x2) & of(x2,x3) & n_sand(x3) & Actor(e1,x1) & v_ride(e1) & n_people(x1))