A small child chasing a pidgin.
There is a small child who is unattended by an adult.
child  doesn't always mean unattended
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_chase(e1) & n_pidgin(x3) & (x1 = x2) & n_child(x1) & a_small(s1) & Theme(s1,x1))
exists p1 x1 e1 s1 x2 x3 x4.((x1 = x2) & Actor(e1,x4) & n_adult(x4) & Theme(e1,x3) & v_unattend(e1) & (x2 = x3) & n_child(x2) & a_small(s1) & Theme(s1,x2))