Fix mapping error in GVQ evaluation

evaluation/compute_metrics.py

@@ -666,9 +666,9 @@ def gvq_eval(samples, st):
             continue
 
         if len(sample['o']) == 4:
-            match_map = dict(a=0, b=1, c=2, d=4)
+            match_map = dict(a=0, b=1, c=2, d=3)
         elif len(sample['o']) == 5:
-            match_map = dict(a=0, b=1, c=2, d=4, e=5)
+            match_map = dict(a=0, b=1, c=2, d=3, e=4)
         else:
             raise NotImplementedError