A worker is carrying plywood for a construction project.
The mason lays brick at the construction project.
The worker can't be carrying plywood at the same time as he lays brick.
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & for(x2,x3) & n_project(x3) & of(x3,x4) & n_construction(x4) & n_plywood(x2) & n_worker(x1))
exists e1 x1 x2 x3 x4.(n_project(x3) & of(x3,x4) & n_construction(x4) & n_mason(x1) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_lay(e1) & n_brick(x2))