<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def html_to_ssml(text):
 """ Replaces specific html tags with probable SSML counterparts. """

    ssml_text = reduce(lambda x, y: x.replace(y, html_to_ssml_maps[y]), html_to_ssml_maps, text)
    return ssml_text