Give you a statement and table with its title, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a ternary classification problem, you should choose the answer among supported, refuted and neutral. Table cells in one row are seperated by '|', and different rows are seperated by '
'. If cell value is a list, we use '	' to seperate each list element.

Table:
| Mission type | Planetary exploration |
| Operator | NASA / JPL |
| COSPAR ID | 1977-076A |
| SATCAT no. | 10271 |
| Website | voyager .jpl .nasa .gov |
| Mission duration | 41 years, 9 months and 5 days elapsed ,  Planetary mission: 12 years, 1 month, 12 days , Interstellar mission: 29 years, 7 months and 23 days elapsed (continuing) |
| Manufacturer | Jet Propulsion Laboratory |
| Launch mass | 825.5 kilograms (1,820 lb) |
| Power | 470 watts (at launch) |
| Launch date | August 20, 1977, 14:29:00 (1977-08-20UTC14:29Z) UTC |
| Rocket | Titan IIIE |
| Launch site | Cape Canaveral LC-41 |
| Closest approach | August 25, 1989, 03:56:36 UTC |
| Distance | 4,951 km (3,076 mi) |
Title:
Flyby of Neptune
Statement:
Planetary exploration was the sole mission of Voyager 2.
Answer:
neutral