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We have investigated the effects of continuous daily oral galactose ( 200 mg / kg / day ) treatment on cognitive deficits in streptozotocin - induced ( STZ - icv ) rat model of sAD , tested by Morris Water Maze and Passive Avoidance test , respectively .
 Chemical: galactose; Disease: cognitive deficits; Chemical: streptozotocin; Chemical: STZ
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: galactose; Disease: cognitive deficits; Chemical: streptozotocin; Chemical: STZ