Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| parameter | 1st stage | 2nd stage | 3rd stage | 4th stage |
| gross mass | 54431 kg | 462 kg | 126 kg | 42 kg |
| empty mass | 5443 kg | 231 kg | 63 kg | 21 kg |
| thrust | 667kn | 73kn | 20kn | 7kn |
| isp | 248 s (2.43kn路s / kg) | 214 s (2.10kn路s / kg) | 214 s (2.10kn路s / kg) | 214 s (2.10kn路s / kg) |
| burn time | 182 s | 6 s | 6 s | 6 s |
| length | 18.28 m | 1.0 m | 1.0 m | 1.0 m |
| diameter | 2.67 m | 1.0 m | 0.50 m | 0.30 m |
| engine : | rocketdyne s - 3d | eleven sergents | three sergents | one sergent |
| propellant | lox / rp - 1 | solid fuel | solid fuel | solid fuel |
Title:
none
Statement:
the parameter that has a third stage of three sergents is the propellant
Answer:
refuted