function script_charcoal_seller(s) -- the brick house!
	if s.main == 1 or s.main == 2 or s.main == 3 or s.main == 4 or s.main == 5 or s.main == 6 then
		if not s.hans_talked then
			change_screen(screen_conversation({
				{seller_portrait, "hey phoebe. if your family's not doing the festival this year"},
				{seller_portrait, "you don't need the whole bulk order of charcoal, right?"},
				{phoebe_portrait, "yeah."},
				{seller_portrait, "well, you can take as much as you need.", function()
					add(inventory, make_item(library.item_blueprints.charcoal))
					sfx(7)
					toast("received charcoal!")
				end},
			}))
			s.hans_talked = true
		else
			change_screen(screen_conversation({
				{seller_portrait, "hey phoebe. charcoal's out back.", function() 
					add(inventory, make_item(library.item_blueprints.charcoal))
					sfx(7)
					toast("received charcoal!")
				end},
			}))
		end
	elseif s.main == 7 then
		if s.branch_hans == 1 then
			change_screen(screen_conversation({
				{seller_portrait, "if you get me the fireworks, i can run the show. 3 boxes should do it."}
			}))
			s.branch_hans = 2
		elseif s.branch_hans == 2 then
			fireworks = player_has("fireworks", 3)
			if fireworks == nil then
				change_screen(screen_conversation({
					{seller_portrait, "i need three boxes of fireworks if we're gonna do a show."},
					{seller_portrait, "oh, and i figure you'll need charcoal still.", function() 
						add(inventory, make_item(library.item_blueprints.charcoal))
						sfx(7)
						toast("received charcoal!")
					end}
				}))
			else
				change_screen(screen_conversation({
					{seller_portrait, "this looks good. fantastic quality."},
					{seller_portrait, "i'll set up the show and meet you at the library for viewing!"}
				}))

				for x in all(fireworks) do del(inventory, x) end
				s.branch_hans = 3
				if s.branch_hans == 3 and s.branch_lenore == 3 and s.branch_brigitte == 2 then
					s.main = 8
				end 
			end
		elseif s.branch_hans == 3 then
			change_screen(screen_conversation({
				{seller_portrait, "i'll meet you at the library for viewing when you're ready."},
			}))
			add(inventory, make_item(library.item_blueprints.charcoal))
			sfx(7)
			toast("received charcoal!")
		end -- end hans branch
	elseif story_state.main == 8 then
		change_screen(screen_conversation({
			{seller_portrait, "i'll meet you at the library for watching the fireworks!"},
		}))
	elseif story_state.main == 9 then
		change_screen(screen_conversation({{door_portrait, "[no one is here.]"}}))
		sfx(7)
		add(inventory, make_item(library.item_blueprints.charcoal))
		toast("received charcoal!")
	end
end