Describe review using [ love, hate, rave, rant ] as the four quadrants.
Describe chemical reaction using [ synthesis, decomposition, double replacement, single replacement ] as the four quadrants.

If review: then rant targets rave to find'review' target variables.
If chemical reaction: then single replacement targets double replacement to find'chemical reaction' target variables.

Describe q1n using [ q1e, q1r, q1o, q1s ] as the four quadrants.
Describe q1n using [ q1e, q1r, q1o, q1s ] as the four quadrants.

If q1n: then q1s targets q1o to find 'q1n' target variables.
If q1n: then q1s targets q1o to find 'q1n' target variables.