A group of people walking down a closed off street lined with blue, red and green tents.
There are purple tents.
The tent described in the first sentence are blue, red and green, with no indication of other colors including purple tents.
exists e1 e2 s1 s2 s3 s4 s5 s6 x1 x2 x3 x4 x5 x6 x7.(Theme(s6,x5) & Actor(s6,x1) & a_off(s6) & with(e2,x7) & n_tent(x7) & a_green(s5) & Theme(s5,x7) & a_red(s4) & Theme(s4,x7) & a_blue(s3) & Theme(s3,x7) & Theme(e2,x6) & v_line(e2) & (x5 = x6) & n_street(x5) & of(x1,x2) & r_a(s2) & Theme(s2,x4) & a_closed(s2) & (x2 = x4) & a_down(s1) & Manner(e1,s1) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists p1 x1 s1 x2.((x1 = x2) & n_tent(x2) & a_purple(s1) & Theme(s1,x2))