If decrescendo-decrescendo: then source targets target to find'decrescendo-decrescendo' target variables.
If human health: then emotional targets physical to find'human health' target variables.

Decrescendo stimulates source but references target.
Intellectual stimulates emotional but references physical.

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

q1r stimulates q1s but references q1o.
q1r stimulates q1s but references q1o.