Las madres les lei un cuento a sus hijos anoche

The mothers read a story to their children last night

Explanation:

''las madres les lei un cuento a sus hijos anoche'' translated to English is  

''The mothers read a story to their children last night''.

i would have to know what the audios say as well with the question. : /

if your asking for what that says, it is

which of these words is an

but i don't know what sentence your asking for the adjective from.