{"Subject":1,"Potato":1.88,"Rice":1.7}
{"Subject":2,"Potato":2.6,"Rice":3.84}
{"Subject":3,"Potato":1.38,"Rice":1.13}
{"Subject":4,"Potato":4.41,"Rice":4.97}
{"Subject":5,"Potato":1.87,"Rice":0.86}
{"Subject":6,"Potato":2.89,"Rice":1.93}
{"Subject":7,"Potato":3.96,"Rice":3.36}
{"Subject":8,"Potato":2.31,"Rice":2.15}