several young people walking casually around
walking is fun
Walking casually does not mean that walking is fun.
exists e1 s1 s2 s3 s4 x1 x2.(a_topic(x1) & a_around(s4) & Manner(e1,s4) & a_casually(s3) & Manner(e1,s3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_people(x1) & a_young(s2) & Theme(s2,x1) & a_several(s1) & Theme(s1,x1))
exists p1 x1.(exists x2.((x1 = x2) & n_fun(x2)) & n_walking(x1))