A fisherman fishes at the bank of a foggy river.
A fisherman stands by a clear river on a bright sunny day.
first says the river was foggy and now says it is clear.
exists e1 s1 x1 x2 x3.(n_bank(x2) & at(e1,x2) & of(x2,x3) & n_river(x3) & a_foggy(s1) & Theme(s1,x3) & Actor(e1,x1) & v_fish(e1) & n_fisherman(x1))
exists e1 s1 s2 s3 x1 x2 x3.(on(e1,x3) & n_day(x3) & a_sunny(s3) & Theme(s3,x3) & a_bright(s2) & Theme(s2,x3) & by(e1,x2) & n_river(x2) & a_clear(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stand(e1) & n_fisherman(x1))