anchor.diff:  
   String txt = "";
   String txt1 = "Upload or take a picture of a bear to classify it";
  +
   void main() {
     runApp(new MaterialApp(
       debugShowCheckedModeBanner: false,
  
positive.code:               )
                    : new Image.file(img,
                    height: MediaQuery.of(context).size.height * 0.6,
                    width: MediaQuery.of(context).size.width * 0.8),
                new Text(
                  txt,
                  style: TextStyle(
  
negative.code:         centerTitle: true,
          title: new Text("Bear Classifier"),
        ),
  
        body: new Container(
          child: Center(
            child: Column(
  