| Kind | Value | annotation | ||
| enumeration | 1_very short | |||
| enumeration | 2_very short to short | |||
| enumeration | 3_short | |||
| enumeration | 4_short to medium | |||
| enumeration | 5_medium | |||
| enumeration | 6_medium to long | |||
| enumeration | 7_long | |||
| enumeration | 8_long to very long | |||
| enumeration | 9_very long |