A man in a plaid coat and two children are looking over a railing.
A man is with his nephews at the library
A man and two children are not necessarily man with his nephews and not necessarily at the library.
exists e1 s1 x1 x2 x3 x4 x5.(over(e1,x5) & n_railing(x5) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & n_child(x4) & card_eq_2(x4) & n_coat(x3) & subset_of(x4,x2) & subset_of(x3,x2) & a_plaid(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1 x2 x3.(n_library(x3) & with(x1,x2) & at(x2,x3) & n_nephew(x2) & of(x2,x1) & n_male(x1) & n_man(x1))