sentences: poison contains venus & a ponds is a mean of trace_element ->  food contains proteins  food contains proteins & the damages cube elevation poison for the mind ->  the digestive system digests proteins for the body  the digestive system digests proteins for the body & the big tectonics is a whole of the vinegar left ->  a small intestine is a part of a human 's digestive system for the digestion of proteins  poison contains venus & a ponds is a mean of trace_element ->  food contains proteins  food contains proteins & the damages cube elevation poison for the mind ->  the digestive system digests proteins for the body  the digestive system digests proteins for the body & the stay is a whole of the investigating combustion ->  a stomach is a part of a human 's digestive system for the digestion of proteins  a small intestine is a part of a human 's digestive system for the digestion of proteins & a stomach is a part of a human 's digestive system for the digestion of proteins -> digestion of proteins occurs in the stomach / small intestine