diff --git a/fs_edit_preconditions.lua b/fs_edit_preconditions.lua
index 16c7dec..a9ed50f 100644
--- a/fs_edit_preconditions.lua
+++ b/fs_edit_preconditions.lua
@@ -565,6 +565,53 @@ yl_speak_up.eval_precondition = function(player, n_id, p, other_options_true_or_
 			return inv:is_empty(inv_name)
 		end
 		return false
+	elseif(p.p_type == "player_offered_item") then
+		local pname = player:get_player_name()
+		local inv = minetest.get_inventory({type="detached", name="yl_speak_up_player_"..pname})
+		local stack_got = inv:get_stack("npc_wants",1)
+		if(stack_got:is_empty()) then
+			return false -- empty stack
+		end
+		local stack_wanted = ItemStack(p.p_value)
+		-- check group
+		if(p.p_item_group and p.p_item_group ~= "") then
+			local g = minetest.get_item_group(stack_got:get_name(), p.p_item_group)
+			if(not(g) or g == 0) then
+				return false -- wrong group
+			end
+		-- or: check item name
+		elseif(stack_got:get_name() ~= stack_wanted:get_name()) then
+			return false -- wrong item
+		end
+		-- independent of that: check stack size
+		if(p.p_match_stack_size and p.p_match_stack_size ~= "") then
+			local c_got = stack_got:get_count()
+			local c_wanted = stack_wanted:get_count()
+			if(    p.p_match_stack_size == "exactly" and c_got ~= c_wanted) then
+				return false -- not exactly the same amount as the wanted one
+			elseif(p.p_match_stack_size == "less"    and c_got >= c_wanted) then
+				return false -- didn't get less than the given number
+			elseif(p.p_match_stack_size == "more"    and c_got <= c_wanted) then
+				return false -- didn't get more than the given number
+			elseif(p.p_match_stack_size == "another" and c_got == c_wanted) then
+				return false -- got the same than the given number
+			end
+		end
+		-- check quest_id
+		if(p.p_item_quest_id and p.p_item_quest_id ~= "") then
+			local meta = stack_got:get_meta()
+			-- we don't check here if the item was given by the right NPC;
+			-- only the quest id has to fit
+			if(meta:get_string("yl_speak_up:quest_id") ~= p.p_item_quest_id) then
+				return false -- wrong quest_id
+			end
+			-- was this quest item given to another player?
+			if(meta:get_string("yl_speak_up:quest_item_for") ~= pname) then
+				return false -- wrong player
+			end
+		end
+		-- all ok
+		return true
 	elseif(p.p_type == "custom") then
 		-- execute the custom function
 		return yl_speak_up.precondition_custom(player, p.p_value)