the young children are petting a piglet
The young children are popping molly and bottles.
Children cannot be petting a piglet if they are popping molly.
exists e1 s1 x1 x2.(n_child(x1) & a_young(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_pet(e1) & n_piglet(x2))
exists e1 s1 s2 x1 x2.(n_child(x1) & a_young(s1) & Theme(s1,x1) & a_molly(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_pop(e1) & n_bottle(x2))