﻿* 
* My conclusions:
< A father and a mother are parent [plural of 'parent' is unknown].
< 
* 
* My conclusions:
< John is a parent.
< 
* 
* My conclusions:
< Anna is a parent.
< 
* 
* My conclusions:
< A boy and a girl are child [plural of 'child' is unknown].
< 
* 
* My conclusions:
< Paul is a child.
< 
* 
* My conclusions:
< Laura is a child.
< 
