A man makes a call on a cellphone.
A man talks someone sitting at his table.
The man would not use their cellphone to call someone if they are sitting at the same table with them because they are with them in person.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & on(x2,x3) & n_cellphone(x3) & n_call(x2) & n_man(x1))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & at(e1,x5) & n_table(x5) & of(x5,x1) & n_male(x1) & Actor(e1,x4) & v_sit(e1) & (x1 = x4) & Time(x1,x3) & n_someone(x3) & n_talk(x1) & of(x1,x2) & n_man(x2))