A group of people eating on a picnic table at a park.
A company is having an outdoor picnic for its employees.
Just because a group of people are at a park, it doesn't mean they are there for a company picnic and that they are employees. It could be a group of random homeless people being fed.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & on(e1,x4) & at(x4,x6) & n_park(x6) & n_table(x4) & of(x4,x5) & n_picnic(x5) & Actor(e1,x3) & v_eat(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & for(x2,x3) & n_employee(x3) & of(x3,x1) & n_thing(x1) & n_picnic(x2) & a_outdoor(s1) & Theme(s1,x2) & n_company(x1))