A man in a red shirt is working on a machine in the field.
A man is trying to fix a machine.
We do not know if the machine is broken down, therefore we do not know if the man was trying to fix it.
exists e1 s1 x1 x2 x3 x4.(n_field(x4) & in(e1,x4) & on(e1,x3) & n_machine(x3) & Actor(e1,x1) & v_work(e1) & in(x1,x2) & n_shirt(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 x2.(Theme(e2,x2) & Actor(e2,x1) & v_fix(e2) & n_machine(x2)) & n_man(x1))