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 alcohol myopia theory (Steele and Josephs 1990) states that alcohol intoxication restricts attentional capacity resulting in people in sexual contexts after drinking not being able to process their distant risk cues (such as HIV or sexually transmitted infection (STI) risks) and be highly influenced by the most immediate cues (such as sexual arousal) in their environment (MacDonald et al. 2000).
Category: