A man in an orange hard hat and vest looks at an object in his hand while the man next to him stands on a ladder in order to reach the ceiling.
A man in a blue shirt is unicycling.
A man cannot look at an object and stand on a ladder if they are unicycling.
(x)
exists e1 s1 x1 x2.(Actor(e1,x1) & v_unicycle(e1) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))