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:

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treatment with Fgf8b is shown, because Fgf8b, the most potent isoform of Fgf8, is the only gene of the studied FGF family members that has been found to be crucial in mesoderm development in the mouse (Guo and Li, 2007).
Background