other と another と others

2者：一方(one)　他方(the other)

• I have two dogs, one is black,and the other is brown.

• 3者以上:一方(one)　他方のうち一つ(another)
• I have 4 dogs, one is black and another is brown. 

• 3者以上:一方(one)　他方のすべて(the others)
• I have 4 dogs， one is black and the others are brown.: