<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def C_(ctx, s):
 """Provide qualified translatable strings via context. Taken from gnome-games. """

    translated = gettext.gettext('%s\x04%s' % (ctx, s))
    if '\x04' in translated:
        # no translation found, return input string
        return s
    return translated