wieghted evaluation at elevation 1 on biology as positive, precision: 0.92, recall: 0.83 wieghted evaluation at elevation 2 on biology as positive, precision: 0.97, recall: 0.86 wieghted evaluation at elevation 3 on biology as positive, precision: 0.98, recall: 0.76 wieghted evaluation at elevation 4 on biology as positive, precision: 0.92, recall: 0.78 wieghted evaluation at elevation 5 on biology as positive, precision: 0.88, recall: 0.75