A woman talks on a cellphone while walking along side a man.
A women having a conversation.
A woman talks is the same as having a conversation.
(x)
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_have(e1) & n_conversation(x3) & (x1 = x2) & n_woman(x1))