A boy in a blue helmet blue and red baseball uniform runs to a base.
A boy in a helmet is running.
boy in blue helmet runs to a base can also be said as boy in helmet running
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(to(e1,x7) & n_base(x7) & Actor(e1,x1) & v_run(e1) & in(x1,x2) & n_uniform(x5) & of(x5,x6) & n_baseball(x6) & a_red(s2) & Theme(s2,x5) & n_blue(x4) & subset_of(x5,x2) & subset_of(x4,x2) & of(x2,x3) & n_helmet(x3) & a_blue(s1) & Theme(s1,x2) & n_boy(x1))
exists e1 x1 x2.(Actor(e1,x1) & v_run(e1) & in(x1,x2) & n_helmet(x2) & n_boy(x1))