The man in the button up shirt is sitting at a table.
The man at the table was shirtless.
A man cannot be in the button up shirt and shirtless simultaneously.
exists e1 x1 x2 x3 x4.(n_button(x2) & n_man(x1) & at(e1,x4) & n_table(x4) & Actor(e1,x1) & v_sit(e1) & up(x1,x3) & n_shirt(x3) & in(x1,x2))
exists s1 x1 x2.(n_table(x2) & n_man(x1) & Theme(s1,x1) & a_shirtless(s1) & at(x1,x2))