(Character data) may depend on declarations of (ancestor elements).Logical formLearned from2 sentences. Declarations may appear in ancestors of an element.Logical formLearned from2 sentences. A value may pertain-to an (ancestor attribute).Logical formLearned from2 sentences. An element can be with an (ancestor attribute).Logical formLearned from2 sentences. Ancestors may pertain-to a parameter.Logical formLearned from2 sentences. Ancestors may line walls.Logical formLearned from2 sentences. (Software ancestors) can be packaged.Logical formLearned from2 sentences. Ancestors may depend upon (wind transportation) of a pollen.Logical formLearned from2 sentences. An ancestor may pertain-to a camera.Logical formLearned from2 sentences. An archaea may develop from a common ancestor.Logical formLearned from2 sentences. Dinosaurs can be ancestors of birds.Logical formLearned from2 sentences. (Ancestor nodes) may pertain-to a subtree.Logical formLearned from2 sentences. A node can be independent of ancestors.Logical formLearned from2 sentences. (Ancestor nodes) of a subtree may be grown.Logical formLearned from2 sentences. An ancestor may be saved from drowning by ridding on a back of a whale.Logical formLearned from2 sentences.