Men at a wedding reception trying to catch the bride's garter.
A group of people are at a wedding.
Men, being plural, is a group of people. A wedding reception is a specific part of a wedding.
exists e1 p1 x1 x2 x3 x4 x5 x6.(n_garter(x6) & of(x6,x5) & n_bride(x5) & a_topic(x1) & at(x1,x2) & Topic(e1,p1) & Actor(e1,x4) & v_try(e1) & exists e2.(Theme(e2,x6) & Actor(e2,x4) & v_catch(e2)) & (x2 = x4) & n_reception(x2) & of(x2,x3) & n_wedding(x3) & n_man(x1))
exists p1 x1 x2.(exists x3.(at(x1,x3) & n_wedding(x3)) & of(x1,x2) & n_people(x2) & n_group(x1))