Places can be dark.Logical formLearned from1 855 sentences. A background can be dark.Logical formLearned from1 797 sentences. Secrets can be dark.Logical formLearned from1 704 sentences. An alley can be dark.Logical formLearned from1 682 sentences. Colors can be dark.Logical formLearned from1 681 sentences. Times can be dark.Logical formLearned from1 672 sentences. A spot can be dark.Logical formLearned from1 580 sentences. A past can be dark.Logical formLearned from1 488 sentences. A day can be dark.Logical formLearned from1 395 sentences. Eyes can be dark.Logical formLearned from1 388 sentences. A room can be dark.Logical formLearned from1 367 sentences. Skies can be dark.Logical formLearned from1 363 sentences. The sky can be dark.Logical formLearned from1 290 sentences. A period can be dark.Logical formLearned from1 265 sentences. A tunnel can be dark.Logical formLearned from1 234 sentences.