premise: Two girls are sitting at a table with a green marker standing up right on the table between them.
hypothesis: Two girls are at the table.
explanation_1: Both sentences tell us that there are two girls. If two girls are sitting at a table then it is already known that they are at the table.
premise_logic: exists e1 e2 s1 s2 x1 x2 x3 x4.(with(e1,x3) & between(e2,x1) & n_thing(x1) & r_right(e2) & on(e2,x2) & n_table(x2) & n_table(x2) & a_up(s2) & Manner(e2,s2) & Actor(e2,x4) & v_stand(e2) & (x3 = x4) & n_marker(x3) & a_green(s1) & Theme(s1,x3) & at(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_girl(x1) & card_eq_2(x1))
hypothesis_logic: exists p1 x1 x2.(n_table(x2) & at(x1,x2) & n_girl(x1) & card_eq_2(x1))
premise_sim: exists e1 e2 s1 s2 x1 x2 x3 x4.(with(e1,x3) & v_stand(e2) & v_sit(e1) & r_right(e2) & on(e2,x2) & n_thing(x1) & n_table(x2) & n_marker(x3) & n_girl(x1) & card_eq_2(x1) & between(e2,x1) & at(e1,x2) & a_up(s2) & a_green(s1) & Theme(s1,x3) & Manner(e2,s2) & Actor(e2,x4) & Actor(e1,x1) & (x3 = x4))
hypothesis_sim: exists x1 x2.(n_table(x2) & n_girl(x1) & card_eq_2(x1) & at(x1,x2))