premise: A couple opening up a new electronically mixer.
hypothesis: The new mixer is necessary for this new couple
explanation_1: The mixer might not be necessary.
explanation_2: The couple might not be "new" i.e. recently got together/married/engaged. The mixer doesn't have to be necessary for the new couple.
explanation_3: Not all couples are a new couple.
premise_logic: exists e1 s1 s2 s3 x1 x2 x3.(a_topic(x1) & a_up(s3) & Manner(e1,s3) & Theme(e1,x3) & Actor(e1,x2) & v_open(e1) & n_mixer(x3) & a_electronically(s2) & Theme(s2,x3) & a_new(s1) & Theme(s1,x3) & (x1 = x2) & n_couple(x1))
hypothesis_logic: exists s1 s2 s3 x1 x2.(n_couple(x2) & a_new(s3) & Theme(s3,x2) & n_mixer(x1) & a_new(s1) & Theme(s1,x1) & for(s2,x2) & Theme(s2,x1) & a_necessary(s2))