Two people are sitting across a table from each other in the middle of an empty stage surrounded by people and lighting equipment.
Two people are sitting at a table surrounded by people and lights.
The two people are sitting at a table surrounded by people and lights.  There is more information in one sentence, specifically that they are on a stage.
exists e1 x1 x2 x4.(n_middle(x4) & all x3.(n_other(x3) -> exists e2 s1 x5 x6 x7 x8 x9 x10.(in(e1,x4) & of(x4,x5) & Actor(e2,x7) & n_equipment(x9) & of(x9,x10) & n_lighting(x10) & n_people(x8) & subset_of(x9,x7) & subset_of(x8,x7) & Theme(e2,x6) & v_surround(e2) & (x5 = x6) & n_stage(x5) & a_empty(s1) & Theme(s1,x5) & from(e1,x3))) & across(e1,x2) & n_table(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_2(x1))
exists e2 e1 x1 x2 x3 x4 x5 x6.(at(e1,x2) & Actor(e2,x4) & n_light(x6) & n_people(x5) & subset_of(x6,x4) & subset_of(x5,x4) & Theme(e2,x3) & v_surround(e2) & (x2 = x3) & n_table(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_2(x1))