This boy is waving around his arms outside.
A boy waving, trying to get his mother's attention.
It cannot be inferred that the boy is trying to get his mother's attention.
exists e1 s1 x1 x2.(n_arm(x2) & of(x2,x1) & n_male(x1) & n_boy(x1) & a_outside(s1) & Manner(e1,s1) & around(e1,x2) & Actor(e1,x1) & v_wave(e1))
exists e2 e1 p1 x1 x2 x3 x4.(a_topic(x1) & for(e1,e2) & Topic(e2,p1) & Actor(e2,x2) & v_try(e2) & exists e3.(Theme(e3,x4) & Actor(e3,x2) & v_get(e3)) & n_attention(x4) & of(x4,x3) & n_mother(x3) & of(x3,x1) & n_male(x1) & Actor(e1,x2) & v_wave(e1) & (x1 = x2) & n_boy(x1))