{"in": [""], "out": "Figure 3"}
{"in": ["food"], "out": "the experiment"}
{"in": ["rat chow"], "out": "body weight"}
{"in": ["Figure 3"], "out": "sucrose solution"}
{"in": ["sucrose solution"], "out": ""}
{"in": [], "out": ""}
{"in": ["body weight"], "out": ""}
{"in": [], "out": ""}
{"in": [], "out": ""}
{"in": ["the experiment"], "out": ""}
{"in": ["the animal"], "out": ""}
{"in": [""], "out": "training"}
{"in": ["training"], "out": ""}
{"in": ["wet paper towel"], "out": ""}