﻿* 
* My conclusions:
< A cat and a dog are mammal [plural of 'mammal' is unknown].
< 
* 
* My conclusions:
< A whale, a cat and a dog are mammal [plural of 'mammal' is unknown].
< 
* 
* My conclusions:
< A whale, a cat and a dog are mammals.
< 
< Specifications:
< A whale is a mammal.
< A dog is a mammal.
< A cat is a mammal.
< 
