wieghted evaluation at elevation 1 on biology as positive, precision: 0.91, recall: 0.83 wieghted evaluation at elevation 2 on biology as positive, precision: 0.97, recall: 0.85 wieghted evaluation at elevation 3 on biology as positive, precision: 0.96, recall: 0.78 wieghted evaluation at elevation 4 on biology as positive, precision: 0.93, recall: 0.80 wieghted evaluation at elevation 5 on biology as positive, precision: 0.89, recall: 0.78