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:Analyses of apn2 and apn2/matIGS were rooted in TNT and RAxML to strain 4766, which exploratory nrITS and tub2 analyses and a previous study of the group [14] indicated is a suitable outgroup for inferring phylogenetic relationships within C. gloeosporioides s.l. Statistical support for the inferred nodes was determined in RAxML‚ÄìHPC2 by bootstrapping with the number of replicates for the independent gene trees determined by implementation of the extended majority rule (‚Äì
Category: