A man is gesturing over some sort of platform.
a man is standing indoors at an office
The man cannot be on a platform and at an office at the same time; he is either gesturing or standing.
exists e1 x1 x2 x3.(over(e1,x2) & of(x2,x3) & n_platform(x3) & n_sort(x2) & Actor(e1,x1) & v_gesture(e1) & n_man(x1))
exists p1 x1.(exists e1 x2 x3.((x1 = x2) & at(x2,x3) & n_office(x3) & n_indoor(x2) & Actor(e1,x2) & v_stand(e1)) & n_man(x1))