How to build a multi-output model In

In, how to build a multi-output model, for example, to be divided into 3 categories, each category has specific categories, such as: sleeves: long-sleeved, short-sleeved, sleeveless; pants: trousers, shorts, seven points Pants and so on.!

This is an implementation in keras:
Can you help me?thanks

Hey, can you tell us what you are working on?