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:The results are given in Table 2, where each row refers to the set of tRNA genes for a given amino acid, and each column (from left to right) depicts an increasing number of positions used by CART for predicting the tRNAs’ cognate amino acid identity.
Category: