Sentence: The patient received chemotherapy comprising vincristine , actinomycin D , doxorubicin , cisplatin , and cyclophosphamide .
Drug combination annotation:
[{'class': 'COMB', 'spans': ['vincristine', 'doxorubicin', 'cyclophosphamide', 'actinomycin', 'cisplatin'], 'is_context_needed': True}]