Ancestors may live for hundreds of years.Logical formLearned from2 sentences. Families may claim descent from a common ancestor.Logical formLearned from2 sentences. Some others can be from an era of ancestors.Logical formLearned from2 sentences. An era may pertain-to ancestors.Logical formLearned from2 sentences. A creature can be a common ancestor of humans.Logical formLearned from2 sentences. A grandfather may spun tales of ancestors.Logical formLearned from2 sentences. Human ancestors may have pelvises.Logical formLearned from2 sentences. Ancestors may develop (running attributes).Logical formLearned from2 sentences. An ancestor may fall into cold water.Logical formLearned from2 sentences. Ancestors may defend.Logical formLearned from2 sentences. A kangaroo may share a common ancestor.Logical formLearned from2 sentences. An ancestor may pertain-to a robot.Logical formLearned from2 sentences. Ancestors of persons may take paths.Logical formLearned from2 sentences. An ancestor can be constituted-of-or-filled-with backgammon.Logical formLearned from2 sentences. An (art collection) may include a head of an ancestor.Logical formLearned from2 sentences.