# Fig4d paper's example : \frac{a_1}{b^0}}
# classification, Segmentation and Layout errors

N, s1, a, 1.0
N, s2, hline, 1.0
N, s3, b, 1.0
N, s4, 0, 1.0
N, s5, 1, 1.0

E, s1, s5, Sub, 1.0
E, s2, s1, U, 1.0
E, s2, s3, D, 1.0
E, s2, s4, D, 1.0
E, s2, s5, U, 1.0
E, s3, s4, Sup, 1.0


