Three children are talking outside in the street standing by a motorbike.
There are children outside.
"Children" is a rephrasing of "three children," and to be talking outside implies they are outside.
exists e1 x1 x2 x3 x4.(n_standing(x2) & of(x2,x3) & n_street(x3) & in(e1,x2) & by(x2,x4) & n_motorbike(x4) & r_outside(e1) & Actor(e1,x1) & v_talk(e1) & n_child(x1) & card_eq_3(x1))
exists p1 s1 x1.(a_outside(s1) & Manner(p1,s1) & exists x2.((x1 = x2) & n_child(x2)))