premise: Three men handling a net on the seashore.
hypothesis: Group of men casting a net.
explanation_1: A group is normally three or more people. "Handling a net" is a rephrasing of "casting a net".
explanation_2: Group of men means more than one man, here the group is of three men, handling a net implies casting a net.
explanation_3: Three men can be called a group and casting is type of handling.
premise_logic: exists e1 x1 x2 x3 x4.(n_seashore(x4) & a_topic(x1) & on(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_handle(e1) & n_net(x3) & (x1 = x2) & n_man(x1) & card_eq_3(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(ne_org_group(s1) & a_topic(s1) & of(s1,x1) & Theme(e1,x3) & Actor(e1,x2) & v_cast(e1) & n_net(x3) & (x1 = x2) & n_man(x1))