Question: where a main sequence star is located on the h-r diagram depends only on its
[{'answer': 'mass', 'provenance': [{'wikipedia_id': '19605', 'title': 'Main sequence', 'start_paragraph_id': 2, 'start_character': 263, 'end_paragraph_id': 2, 'end_character': 267, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]