The purpose of perception is organize, and because it contains the concept of interpret, stimuli and select are primary actions of perception.
The purpose of qualify-disqualify is target, and because it contains the concept of source, qualify and disqualify are primary actions of qualify-disqualify.

Stimuli stimulates organize but references interpret.
Qualify stimulates target but references source.

The purpose of q1n is q1o, and because it contains the concept of q1s, q1e and q1r are primary actions of q1n.
The purpose of q1n is q1o, and because it contains the concept of q1s, q1e and q1r are primary actions of q1n.

q1e stimulates q1o but references q1s.
q1e stimulates q1o but references q1s.