- Water is a kind of natural resource
- Water is a part of an environment
- So, water is a kind of natural resource from an environment

- Animals / living things require water for survival
- If a living thing requires something for survival then that living thing depends on that something
- Therefore, animals / living things depend on water

- Animals / living things depend on water
- A human is a kind of animal
- Hence, humans depend on water

- Water is a kind of natural resource from an environment
- Humans depend on water
- So, water is a kind of natural resource from the environment that humans depend on

So, water is a kind of natural resource from the environment that humans depend on
Question
Humans depend on which natural resource from the environment?

Context
- Water is a kind of natural resource 
- Water is a part of an environment 
- Animals / living things require water for survival 
- A human is a kind of animal 
- If a living thing requires something for survival then that living thing depends on that something