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:
| method of administration | category 1 | category 2 | category 3 | category 4 | category 5 |
| oral : ld50 measured in mg / kg of bodyweight | 5.0 | 50.0 | 300 | 2 000 | 5 000 |
| dermal : ld 50 measured in mg / kg of bodyweight | 50.0 | 200.0 | 1 000 | 2 000 | 5 000 |
| gas inhalation : lc 50 measured in ppmv | 100.0 | 500.0 | 2 500 | 20 000 | undefined |
| vapour inhalation : lc 50 measured in mg / l | 0.5 | 2.0 | 10 | 20 | undefined |
| dust and mist inhalation : lc 50 measured in mg / l | 0.05 | 0.5 | 1.0 | 5.0 | undefined |
Title:
toxicity
Statement:
for method of administration for category 4 , vapour inhalation : lc 50 measured in mg / l is 5000
Answer:
refuted