A worker in a blue hat is fixing the wall.
A working eating his lunch.
The worker is either fixing the wall or eating.
exists e1 s1 x1 x2 x3.(n_wall(x3) & Theme(e1,x3) & Actor(e1,x1) & v_fix(e1) & in(x1,x2) & n_hat(x2) & a_blue(s1) & Theme(s1,x2) & n_worker(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_eat(e1) & n_lunch(x3) & of(x3,x1) & n_male(x1) & (x1 = x2) & n_work(x1))