Two archaeologists digging out some archaeologist things.
Two people are enjoying themselves.
Archeologists doing their job does not say anything about whether they are enjoying it.
exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & a_out(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x2) & v_dig(e1) & n_thing(x3) & a_archaeologist(s1) & Theme(s1,x3) & (x1 = x2) & n_archaeologist(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_group(x2) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & n_people(x1) & card_eq_2(x1))