A child playing with building blocks on a wooden table.
The child is playing
''A child playing '' is  rephrasing. of '' the child is playing.''
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x5) & n_table(x5) & a_wooden(s1) & Theme(s1,x5) & with(e1,x3) & n_block(x3) & of(x3,x4) & n_building(x4) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1))
exists e1 x1.(n_child(x1) & Actor(e1,x1) & v_play(e1))