This is a question with answer options. Goal: How to make a texture stamp?

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
A). Roll up a small ball of Model Magic. Press the ball onto an object or surface that has texture. Let the clay dry for 24 hours or longer if necessary.
B). Flatten a small ball of Model Magic. Press the ball onto an object or surface that has texture. Let the clay dry for 24 hours or longer if necessary....I think the answer is
A).