| http://www.w3.org/ns/prov#value | - en, yellow, and red stickers that can be applied to nametags, along with a flyer or other materials explaining their meaning: Green means ???Hug me,??? yellow means ???Ask me if I want a hug,??? and red means ???No hugs please.??? The accompanying materials should note, however, that permission to hug doesn???t mean automatic consent to other kinds of touch, and that permission can be withdrawn ve
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