A system comprises one or more modules to access a business rule, deconstruct the business rule into a condition and an associated action, determine a set of questions relevant to the condition, place the set of questions into a question queue, order the question queue, and present the question queue to a user. A system comprises one or more modules to determine a subject of the request received from a user, use the subject to obtain a set of relevant questions, examiner each question and determine whether an answer to a current question is available in a storage area, and present the current question when the answer is not available. A system comprises one or more modules to access a decision tree, determine a current node, determine an estimated number of nodes between the current node and a leaf node, and present a representation using the estimated number of nodes.