The young man in the kerchief is wearing a tool belt.
The young mean is constructing
Just because a man has a tool belt does not mean he is constructing anything.
exists e1 s1 x1 x2 x3 x4.(n_kerchief(x2) & n_man(x1) & a_young(s1) & Theme(s1,x1) & Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_belt(x3) & of(x3,x4) & n_tool(x4) & in(x1,x2))
exists e1 s1 x1.(n_mean(x1) & a_young(s1) & Theme(s1,x1) & Actor(e1,x1) & v_construct(e1))