Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:Whereas the R2R3-MYB factor FaMYB1 from strawberry repressed anthocyanin synthesis when was expressed in tobacco and was also enable to repress PAs synthesis in Lotus corniculatus (Aharoni et al. 2001; Paolocci et al. 2011).
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