   int diff = avg_c.compare(new_color).aggregate();
   Serial.print("Diff: "); Serial.println(diff);
   if (diff > C_ALLOWED_COLOR_VARIANCE) {
-    Serial.println("Difference too big. This data is discarded.");
+    Serial.println("Difference too big. This sample data is discarded.");
   } else {
     avg_c.r = (avg_c.r * count + new_color.r) / (count + 1);
     avg_c.g = (avg_c.g * count + new_color.g) / (count + 1);

#define PIN_LCD_D7 2
//    LCD R/W pin to ground


// Constants
#define C_ATIME TCS34725_INTEGRATIONTIME_154MS //  Color sensor integration time 154ms

#define MIN_BTM_ANGLE 30 // Minimum bottom servo angle
#define NUM_OF_CUPS 5 // The number of cups at the bottom
#define EACH_CUP_ANGLE_INTERVAL ((MAX_BTM_ANGLE - MIN_BTM_ANGLE) / NUM_OF_CUPS)
  int btmAngle = MIN_BTM_ANGLE + EACH_CUP_ANGLE_INTERVAL * 
    (sortingResult == -1? int(NUM_OF_CUPS/2): sortingResult);
  servoBtm.write(btmAngle);
}

