class: yes, no
A1:	b,a
A2:	continuous
A3:	continuous
A4:	u, y, l, t
A5:	g, p, gg
A6:	c, d, cc, i, j, k, m, r, q, W, x, e, aa, ff
A7:	v, h, bb, j, n, z, dd, ff, o
A8:	continuous
A9:	t,f
A10:	t,f
A11:	continuous
A12:	t,f
A13:	g, p, s
A14:	continuous
A15:	continuous
