-- SAMPLE 1 --
r[10]
p[0.5]&q[0.6]=>r
p[0.4]&s[0.2]=>r
q[0.3]&s[0.7]=>p
.
-- SAMPLE 2 --
b[10]
c[20]
n[0.3]=>p
q[1.4]&i[0.2]=>n
r[0.5]&n[0.2]=>b
s[1.3]&n[0.7]&j[0.2]=>p
p[0.9]=>c
.
