In this task the focus is on physical knowledge about the world. Given the provided goal task in the input, describe a process that would lead to the asked outcome. This process often involves physical motions with objects, such as moving them, arranging them in a certain way, mixing them, shaking them, etc. 
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Question: Remove mildew from shower curtain.

Answer: Soak in a bucket of bleach, then wash as usual.


Question: How to sew a hole in a shirt.

Answer: Thread a sewing needle with desired color thread, tie a knot in the end, insert needle through material near hole go down through and come back up through opposite side of hole, repeat process until hole is closed, knot thread and trim excess.


Question: To prevent your roof from leaking,

Answer:
paint the entire roof surface with rubber roof sealant.