An outdoor picnic with lots of water bottles and barbecue is taking place.
A barbecue is happening outdoors.
Both sentences mention that there is a barbecue and that it is outdoors.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7.(Theme(e1,x7) & Actor(e1,x1) & v_take(e1) & n_place(x7) & with(x1,x2) & of(x2,x3) & n_barbecue(x6) & n_bottle(x5) & subset_of(x6,x3) & subset_of(x5,x3) & of(x3,x4) & n_water(x4) & n_lot(x2) & n_picnic(x1) & a_outdoor(s1) & Theme(s1,x1))
exists e1 x1 x2.(Time(e1,x2) & n_outdoors(x2) & Actor(e1,x1) & v_happen(e1) & n_barbecue(x1))