Which of the following conformations will be the most stable?

The correct order in aqueous medium of basic strength in case of methyl substituted amines is :

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R

Assertion A : Benzene is more stable than hypothetical cyclohexatriene

Reason R : The delocalised $$\pi$$ electron cloud is attracted more strongly by nuclei of carbon atoms.

In the light of the above statements, choose the correct answer from the options given below:

Which will undergo deprotonation most readily in the basic medium?