sentences: in the photosynthesis process sunlight has the role of raw material
docs: photosynthesis is process. raw_material is material. photosynthesis is photo_chemical_process. photosynthesis_in_plants is physiological_process. photosynthesis is chemical_process. construction is creating_from_raw_materials. general_photosynthesis is production. photosynthesis is process_by_which_leaf_makes_food. creating_from_raw_materials is creation. recording is creating_from_raw_materials.