       Video(stream=true): $3
       Video(stream=true): $4
       Video(stream=true): $5
-      QuestionPart:
-      Pic: $6
-      coordinate: x=$7,y=$8
-      Opts:
-      Mix:
-      Audio(sound_effect=true): $9 
-      Animation:
-      Pic(checked=true): $10
-      coordinate: x=$11,y=$12
-      Pic: $13
-      Mix:
-      Audio(sound_effect=true): $14 
-      Animation:
-      Pic: $15
-      coordinate: x=$16,y=$17
-      Pic: $18
+      Pic(background=true): $6
+      Pic(sr_start=true): $7
+      Pic(sr_end=true): $8
+      QuestionPart:
+        Pic: $9
+        coordinate: x=$10,y=$11
+        Opts:
+        Mix:
+          Audio(sound_effect=true): $12 
+          Animation:
+          Pic(checked=true): $13
+          coordinate: x=$14,y=$15
+          Pic: $16
+      TR_Pic: $17
+      coordinate: x=18,y=19
       \"""
       display_layout: REGULAR
       \"""

      Video(stream=true): $3
      Video(stream=true): $4
      Video(stream=true): $5
      QuestionPart:
      Opts:
      Mix:
      Audio(sound_effect=true): $6 
      Animation:
      Pic: $7
      coordinate: x=$8,y=$9
      Pic: $10
      coordinate: x=$11,y=$12
      Mix:
      Audio(sound_effect=true): $13
      Animation:
      Pic: $14
      coordinate: x=$15,y=$16
      Pic: $17
      coordinate: x=$18,y=$19
      \"""
      display_layout: REGULAR
      \"""

      Pic(sr_start=true): $7
      Pic(sr_end=true): $8
      QuestionPart: $9
        Pic: $10
        coordinate: x=$11,y=$12
        Opts:
        Mix:
          Audio(sound_effect=true): $13 
          Animation: 
          Pic: $14
          coordinate: x=$15,y=$16
          Pic: $17
          coordinate: x=$18,y=$19
      TR_Pic: $20
      coordinate: x=$21,y=$22
      \"""
      display_layout: REGULAR
      \"""
