Complex sentence: They are not exactly robots by the current definition of the term: they are living flesh and blood creatures rather than machinery and are closer to the modern idea of clones.Tthey may be mistaken for humans and can think for themselves.
Split into simpler sentences: They are not exactly robots by the current definition of the term: they are living flesh and blood creatures rather than machinery and are closer to the modern idea of clones. They may be mistaken for humans and can think for themselves.