Small boy in black shirt laying across bricks and sticking hand in the mud.
There is a person who is working while in mud.
A small boy laying across the bricks and sticking his hand in the mud is not working but playing.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(n_mud(x7) & a_topic(x1) & in(x1,x2) & in(e1,x7) & across(e1,x4) & subset_of(x6,x4) & n_hand(x6) & a_sticking(s3) & Theme(s3,x6) & subset_of(x5,x4) & n_brick(x5) & Actor(e1,x3) & v_lay(e1) & (x2 = x3) & n_shirt(x2) & a_black(s2) & Theme(s2,x2) & n_boy(x1) & a_small(s1) & Theme(s1,x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & in(e1,x4) & n_mud(x4) & r_while(e1) & Actor(e1,x3) & v_work(e1) & (x2 = x3) & n_person(x2))