Muslims riding their bicycles down a busy street.
A group is in a bike race.
The people are not necessarily in a bike race.
exists e1 s1 s2 x1 x2 x3.(ne_nam_muslims(s1) & a_topic(s1) & down(e1,x2) & n_street(x2) & a_busy(s2) & Theme(s2,x2) & Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_bicycle(x3) & of(x3,x2) & n_thing(x2) & (s1 = x1))
exists p1 x1.(exists x2 x3.(in(x1,x2) & n_race(x2) & of(x2,x3) & n_bike(x3)) & n_group(x1))