Abstract: A method of automatically authoring a document. The method comprises for each of a plurality of lawful aspects of a legal object repeating: accessing a hierarchal tree dataset defining questions as nodes and linking the nodes based on optional answers to each of the questions. Each of a plurality of alternative clauses for a respective lawful aspect of the lawful aspects is mapped to at least one leaf node of the hierarchal tree dataset. The method further comprises repeating the following: identifying a root to leaf path in the hierarchal tree dataset according to answers of a user to at least some of the questions during a question and answer session related to the respective lawful aspect, selecting at least one of the alternative clauses for the respective lawful aspect based on the root to leaf path, and adding the selected alternative clause(s) to an automatically authored document.