Men in a cluster during a bike race
Men riding bicycles in a group.
Group is a synonym of cluster.
exists x1 x2 x3 x4.(a_topic(x1) & during(x1,x3) & n_race(x3) & of(x3,x4) & n_bike(x4) & in(x1,x2) & n_cluster(x2) & n_man(x1))
exists x1 x2 x3 x4.(a_topic(x1) & in(x1,x4) & n_group(x4) & n_bicycle(x1) & of(x1,x3) & n_riding(x3) & of(x1,x2) & n_man(x2))