A complexity may pertain-to a surface.Logical formLearned from13 sentences. A complexity can be varied.Logical formLearned from13 sentences. Complexities can be environmental.Logical formLearned from13 sentences. A complexity can be tonal.Logical formLearned from13 sentences. Theories can be constituted-of-or-filled-with complexity.Logical formLearned from13 sentences. Complexities can be religious.Logical formLearned from13 sentences. Reasons can be for a complexity.Logical formLearned from13 sentences. Complexity may be involved.Logical formLearned from13 sentences. A complexity may pertain-to a treaty.Logical formLearned from13 sentences. A complexity may pertain-to an inquiry.Logical formLearned from13 sentences. Work can be on complexity.Logical formLearned from12 sentences. A complexity can be interactive.Logical formLearned from12 sentences. A complexity can be combined.Logical formLearned from12 sentences. A complexity may pertain-to images.Logical formLearned from12 sentences. Complexities may pertain-to a human brain.Logical formLearned from12 sentences.