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:
| Semi-major axis | 0.3456 ± 0.0047 AU |
| Eccentricity | 0.28 ± 0.09 |
| Orbital period | 85.131 ± 0.1161 d |
Title:
HD 20781 c
Statement:
The orbital period of Discovery can differ by as much as 15 days.
Answer:
refuted