Two small children, one boy and one girl, standing near a street vendor talking.
The children are standing and talking.
Children could be one boy and one girl.  Children could be small.  Children could implies two or more.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & rel(x1,x2) & subset_of(x4,x2) & near(e1,x6) & Actor(e2,x8) & v_talk(e2) & (x6 = x8) & n_vendor(x6) & of(x6,x7) & n_street(x7) & Actor(e1,x5) & v_stand(e1) & (x4 = x5) & n_girl(x4) & card_eq_1(x4) & subset_of(x3,x2) & n_boy(x3) & card_eq_1(x3) & n_child(x1) & a_small(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 e2 x1.(n_child(x1) & Actor(e2,x1) & v_talk(e2) & Actor(e1,x1) & v_stand(e1))