Sexing Apistogramma Cacatuoides

[tarheel92]

So I got what is supposed to be a trio of apistogramma cacatuoides a couple of weeks ago, but one of the "females" has me a bit confused as to whether or not is a female or a sleeper male.

The obvious male:

The obvious female:

The apisto in question:

Any help would be greatly appreciated!

 

[EndlersEatGuppies]

First is a male
Second is a female
Third is a male aswell.