A man sitting on a trolley.
A man speaking in tamil
Could be sitting and speaking  on trolley in tamil no contradiction
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_trolley(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_tamil(x3) & n_speaking(x1) & of(x1,x2) & n_man(x2))