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:

These strains were transformed with plasmid pME1983 (Gisi et al., 1999), a derivative of pTrc99A (Amersham) carrying the dcmA gene from Methylophilus sp. strain DM11 (Bader & Leisinger, 1994) under IPTG control, and the control plasmid pME1984 carrying the dcmA gene in antisense orientation to the P
 trc
 promoter.
Method