| http://www.w3.org/ns/prov#value | - If a package is unexpected or from someone you do not know; if it is addressed to someone no longer at your address; if it is handwritten, has no return address or bears one that you cannot confirm is a legitimate return address; if the package you receive is lopsided or lumpy in its appearance, is sealed with excessive amounts of tape; if it is marked with restrictive endorsements, such as personal
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