An elderly couple are walking down a beach on a cloudy overcast day.
An elderly couple stroll down the beach before a storm.
walking is the same as a stroll, and a cloudy overcast day means that it is before a storm and a storm is coming.
exists e1 s1 s2 s3 s4 x1 x2 x3.(on(e1,x3) & n_day(x3) & a_overcast(s4) & Theme(s4,x3) & a_cloudy(s3) & Theme(s3,x3) & a_down(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_beach(x2) & n_couple(x1) & a_elderly(s1) & Theme(s1,x1))
exists s1 x1 x2 x3 x4.(n_beach(x3) & a_topic(x1) & down(x1,x3) & before(x3,x4) & n_storm(x4) & n_stroll(x1) & of(x1,x2) & n_couple(x2) & a_elderly(s1) & Theme(s1,x1))