Pick up a piece of wood and place it on the ground.
Place two more pieces of wood on the pile.
Take the hay and place on pile of wood.
Pick up small stick and place on pile.
Take other small stick and select it in inventory.
Start rubbing on stick in firewood until it lights on fire.
Take the torch and light using the fire. Place torch back on wall. Tap door.
Proceed to the next level!