A man in a tan jumpsuit and baseball cap is operating a heavy piece of machinery.
A man operates heavy machinery.
A man operating a heavy piece of Machinery is a man that operate heavy machinery
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(Theme(e1,x6) & Actor(e1,x1) & v_operate(e1) & of(x6,x7) & n_machinery(x7) & n_piece(x6) & a_heavy(s2) & Theme(s2,x6) & in(x1,x2) & n_cap(x4) & of(x4,x5) & n_baseball(x5) & n_jumpsuit(x3) & subset_of(x4,x2) & subset_of(x3,x2) & a_tan(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_operate(e1) & n_machinery(x2) & a_heavy(s1) & Theme(s1,x2) & n_man(x1))