wieghted evaluation at elevation 1 on biology as positive, precision: 0.93, recall: 0.82 wieghted evaluation at elevation 2 on biology as positive, precision: 0.97, recall: 0.87 wieghted evaluation at elevation 3 on biology as positive, precision: 0.98, recall: 0.77 wieghted evaluation at elevation 4 on biology as positive, precision: 0.93, recall: 0.77 wieghted evaluation at elevation 5 on biology as positive, precision: 0.89, recall: 0.74