A crowd has gathered to watch the Summer Concert Series.
The Summer Concert Series was cancelled this year due to a tornado warning.
If the concert was cancelled, then a crowd would not have gathered to watch the concert.
exists e1 p1 x1 x2 x3 x4.(ne_org_series(x2) & (x2 = x4) & ne_org_concert(x4) & (x2 = x3) & ne_org_summer(x3) & Topic(e1,p1) & Actor(e1,x1) & v_gather(e1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_watch(e2)) & n_crowd(x1))
exists e1 x1 x2 x3 x4 x5 x6.(n_year(x4) & ne_org_series(x1) & (x1 = x3) & ne_org_concert(x3) & (x1 = x2) & ne_org_summer(x2) & r_due(e1) & to(e1,x5) & n_warning(x5) & of(x5,x6) & n_tornado(x6) & Time(e1,x4) & Theme(e1,x1) & v_cancel(e1))