Select all of the following traits that accurately describes a Diels-Alder Reaction. (Note: not all of the characteristics of this reaction are listed below.)

A. Reaction between a diene and dienophile.

B. Occurs via [4+2] cycloaddition.

C. The reaction takes place via two steps.

D. During the transition state, two bonds form and three bonds break simultaneously.

E. The product is a substituted cyclohexane.

F. Requires high temperatures to form the forward product.

G. Requires high temperatures to form the Retro Diels-Alder product.