<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def Fierz_to_JMS_chrom(C, qq):
 """From chromomagnetic Fierz to JMS basis for Class V. qq should be of the form 'sb', 'ds' etc."""

    if qq[0] in dflav:
        s = dflav[qq[0]] + 1
        b = dflav[qq[1]] + 1
        return {'dgamma_{}{}'.format(s, b): C['F7gamma' + qq],
                'dG_{}{}'.format(s, b): C['F8g' + qq],
                'dgamma_{}{}'.format(b, s): C['F7pgamma' + qq].conjugate(),
                'dG_{}{}'.format(b, s): C['F8pg' + qq].conjugate(),
                }
    else:
        u = uflav[qq[0]] + 1
        c = uflav[qq[1]] + 1
        return {'ugamma_{}{}'.format(u, c): C['F7gamma' + qq],
                'uG_{}{}'.format(u, c): C['F8g' + qq],
                'ugamma_{}{}'.format(c, u): C['F7pgamma' + qq].conjugate(),
                'uG_{}{}'.format(c, u): C['F8pg' + qq].conjugate(),
                }