Question: where does the light reaction of photosynthesis occur
[{'answer': 'on the thylakoid membranes', 'provenance': [{'wikipedia_id': '23982752', 'title': 'Light-dependent reactions', 'start_paragraph_id': 1, 'start_character': 60, 'end_paragraph_id': 1, 'end_character': 86, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23982752', 'title': 'Light-dependent reactions', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 588, 'bleu_score': 0.9768747032089851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11630092010418724118}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1126109', 'title': 'Photosystem', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Photosystems are functional and structural units of protein complexes involved in photosynthesis that together carry out the primary photochemistry of photosynthesis: the absorption of light and the transfer of energy and electrons. Photosystems are found in the thylakoid membranes of plants, algae and cyanobacteria. They are located in the chloroplasts of plants and algae, and in the cytoplasmic membrane of photosynthetic bacteria. There are two kinds of photosystems: II and I.\rhighlight sentence(s) containing evidence, not only the answer', 'Photosystems are found in the thylakoid membranes of plants, algae and cyanobacteria.', 'Photosystems are functional and structural units of protein complexes involved in photosynthesis that together carry out the primary photochemistry of photosynthesis: the absorption of light and the transfer of energy and electrons. Photosystems are found in the thylakoid membranes of plants, algae and cyanobacteria.']}}]}, {'provenance': [{'wikipedia_id': '23982752', 'title': 'Light-dependent reactions', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['In photosynthesis, the light-dependent reactions take place on the thylakoid membranes', 'In photosynthesis, the light-dependent reactions take place on the thylakoid membranes. The inside of the thylakoid membrane is called the lumen, and outside the thylakoid membrane is the stroma, where the light-independent reactions take place.', 'In photosynthesis, the light-dependent reactions take place on the thylakoid membranes.']}}]}]