premise: Several people have gathered behind a group of other people who are sitting around a table.
hypothesis: There is a group of people behind another group of people hiding underneath a table.
explanation_1: The people can't be sitting around the table if they're underneath the table.
explanation_2: Siting around a table is different than hiding under it, it cannot be both.
explanation_3: Hiding underneath a table and sitting around it are two different actions.
premise_logic: exists e2 e1 s1 x1 x2 x3 x4 x5.(behind(e1,x2) & of(x2,x3) & around(e2,x5) & n_table(x5) & Actor(e2,x4) & v_sit(e2) & (x3 = x4) & -(x3 = x1) & n_people(x1) & n_people(x1) & n_people(x3) & n_group(x2) & Actor(e1,x1) & v_gather(e1) & a_several(s1) & Theme(s1,x1))
hypothesis_logic: exists p1 x1 e1 x2 x3 x4 x5 x6 x7.((x1 = x2) & of(x2,x3) & behind(x3,x4) & of(x4,x5) & underneath(e1,x7) & n_table(x7) & Actor(e1,x6) & v_hide(e1) & (x5 = x6) & n_people(x5) & n_group(x4) & -(x4 = x2) & n_group(x2) & n_group(x2) & n_people(x3))