The surroundings where the agent lives, operates, senses$,$ and acts are known as the environment. From the agent's perspective, the environment has different characteristics. Which one of the following is NOT the right characteristics for the agent's environment?

an environment could be fully observable, partially observable or unobservable.

The environment is deterministic if its next state could be determined on the basis of a specific state, otherwise environment is stochastic.

An environment is said to be competitive if the agents compete with each other to obtain optimal outcome

The environment which has no rules