M: OK, very good, thank you for helping us to do such an interesting exercise, then I will give you some sponges, especially would like to ask you to feel the texture of these different sponges, nothing you put, because this may be used later, first of all I will two pieces two pieces to you, because they are pink, white, I put a small sign for my own record, we do not number. You don't have to care about this number, because this is for me to see. Well, it's a different set of textures.<br>A: This is a little thinner and a little harder.
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