7. The non-transitory computer readable medium of claim 1 , wherein the information includes a minimum-size explanation.
1. A non-transitory computer readable medium including instructions thereon that are accessible by a hardware processing arrangement, wherein, when the processing arrangement executes the instructions, the processing arrangement is configured to generate information associated with at least one first classification of at least one document, comprising: (a) identifying at least one characteristic of the at least one document, wherein the at least one characteristic includes a plurality of items; (b) obtaining at least one second classification of the at least one document based on the at least one characteristic of the at least one document; (c) removing at least one of the items from the at least one document; (d) obtaining the at least one first classification based on the removal of the at least one of the items; and (e) generating the information associated with the at least one first classification of the at least one document by repeating procedures (c) and (d) until the at least one first classification is different from the at least one second classification.