A crowd enjoying a beautiful day at a park possibly on a famous holiday.
A group of people are having a barbecue.
Just because they are at a park doesn't mean they are having a barbecue.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(a_topic(x1) & on(e1,x5) & n_holiday(x5) & a_famous(s3) & Theme(s3,x5) & a_possibly(s2) & Manner(e1,s2) & at(e1,x4) & n_park(x4) & Theme(e1,x3) & Actor(e1,x2) & v_enjoy(e1) & n_day(x3) & a_beautiful(s1) & Theme(s1,x3) & (x1 = x2) & n_crowd(x1))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_have(e1) & n_barbecue(x3) & of(x1,x2) & n_people(x2) & n_group(x1))