Topre. validation & Scoring

Below is a basic RapidMiner process to build and find the performance of a machine learning model:

Process

inp

Which statements are correct? $($Select ALL correct answers$)$

A$.$ Label $1$ has the training data.

B$.$ Label $1$ has the testing dara.

C$.$ Operator $4$ uses the trained model to score the data.

D$.$ Operator $3$ uses the trained model to score the data.