Sentence: Synergistic effects were seen between zeaxanthin and resveratrol or meclofenamic acid .
Drug combination annotation:
[{'class': 'POS', 'spans': ['resveratrol', 'zeaxanthin'], 'is_context_needed': False}, {'class': 'POS', 'spans': [1, 2], 'is_context_needed': False}]