Stimulant stimulates ideas about structure but needs to reference function if the topic is sensibility.
Wall stimulates ideas about section but needs to reference blocking if the topic is barrier.

Stimulant will need structure and function to help reference become sensibility
Wall will need section and blocking to help door become barrier

q1e stimulates ideas about q1o but needs to reference q1s if the topic is q1n.
q1e stimulates ideas about q1o but needs to reference q1s if the topic is q1n.

q1e will need q1o and q1s to help q1r become q1n
q1e will need q1o and q1s to help q1r become q1n