A couple walking the beach together probably remembering good times.
A couple is arguing at a lake.
The couple can't be arguing and remembering good times at the same time.
exists e2 e1 s1 s2 s3 x1 x2 x3 x4.(n_beach(x3) & a_topic(x1) & for(e1,e2) & Theme(e2,x4) & Actor(e2,x2) & v_remember(e2) & n_time(x4) & a_good(s3) & Theme(s3,x4) & a_probably(s2) & Manner(e1,s2) & a_together(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_couple(x1))
exists e1 x1 x2.(at(e1,x2) & n_lake(x2) & Actor(e1,x1) & v_argue(e1) & n_couple(x1))