You will be presented with a citation segment from the section of a research paper. Classify the intent behind this citation by choosing from one of the following categories:

- Method: Cites the paper for its methodology or procedure.
- Background: Cites the paper to provide background information.
- Result: Cites the paper for its findings or results.

Your answer should be a single word from the following list of options: ["Method", "Background", "Result"]. Do not include any other text in your response.

Citation sentence:

…chlorophenolicus A6L (chromosomally tagged with the firefly luciferase gene, luc) (A6L) (Elväng et al. 2001) and A. chlorophenolicus T99, a mutant with a transposon insertion in a gene encoding a hydroxyquinol dioxygenase, resulting in an inability to grow on or degrade 4-CP (Nordin et al. 2005).
Method