A male and female sit on a bend outside with reading material.
Some people are sitting outside.
A male and female would be assumed to be people and not something else.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(on(e1,x4) & with(x5,e2) & Theme(e2,x7) & Actor(e2,x6) & v_read(e2) & n_material(x7) & outside(x4,x5) & n_thing(x5) & n_bend(x4) & Actor(e1,x1) & v_sit(e1) & n_female(x3) & n_male(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 p1 x1.(exists s1.(Theme(s1,x1) & a_outside(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_sit(e1) & n_people(x1))