The purpose of door is barrier, and because it contains the concept of passage, open and close are primary actions of door.
The purpose of buy-sell is target, and because it contains the concept of source, buy and sell are primary actions of buy-sell.

Door open my passage, like a mountain wind close on oak trees.
Buy-sell buy my source, like a mountain wind sell on oak trees.

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.

q1n_NN q1e_VBD my q1s, like a mountain wind q1r_VBG on oak trees.
q1n_NN q1e_VBD my q1s, like a mountain wind q1r_VBG on oak trees.