People in Texas and having a festival in the streets, one man is cooking and his son is helping him.
People are drinking beer while cooking.
Just because there are people cooking doesn't mean they are necessarily drinking beer while doing so.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8.(n_male(x6) & n_male(x6) & n_son(x8) & of(x8,x6) & n_street(x6) & ne_geo_texas(x3) & Theme(e2,x6) & Actor(e2,x8) & v_help(e2) & Theme(s1,x1) & a_cooking(s1) & subset_of(e1,x1) & rel(e1,x7) & n_man(x7) & card_eq_1(x7) & Theme(e1,x5) & Actor(e1,x4) & v_have(e1) & in(x5,x6) & n_festival(x5) & n_thing(x4) & subset_of(x2,x1) & in(x2,x3) & n_people(x2))
exists e1 x1 x2 x3.(while(e1,x3) & n_cooking(x3) & Theme(e1,x2) & Actor(e1,x1) & v_drink(e1) & n_beer(x2) & n_people(x1))