$[$From in$-$class discussion: weeks $4,5]$ Which statement is FALSE regarding reinforcement learning:

In reinforcement learning, a prediction model is built by analyzing many roulimeds of decisions$/$actions on a trial and error basis.

Reinforcement learning involves the use of clustering algorithms to extract relationships between current and past decisions$/$actions$.$

Reinforcement learning does not involve using a training dataset.

A reinforcement algorithm changes its approach to a task based on the outcome of prior decisions$/$actions$.$