premise: One man watches while another breakdances, balancing himself for a moment on one hand.
hypothesis: A man practices for the 80s party.
explanation_1: Not all breakdances are 80s party.
explanation_2: There are variations of breakdances in different generations other than 80s party.
explanation_3: Not all breakdancers are practicing for the 80s party
premise_logic: exists e1 e2 x1 x2 x3 x4 x5.(n_male(x2) & n_breakdance(x2) & for(e1,e2) & for(e2,x4) & on(x4,x5) & n_hand(x5) & card_eq_1(x5) & n_moment(x4) & Theme(e2,x2) & Actor(e2,x1) & v_balance(e2) & while(e1,x3) & n_breakdance(x3) & -(x3 = x2) & Actor(e1,x1) & v_watch(e1) & n_man(x1) & card_eq_1(x1))
hypothesis_logic: exists s1 x1 x2 x3.(n_party(x3) & a_80s(s1) & Theme(s1,x3) & a_topic(x1) & for(x1,x3) & n_practice(x1) & of(x1,x2) & n_man(x2))