A street can be grubby.Logical formLearned from2 sentences. A (trouser leg) can be grubby.Logical formLearned from2 sentences. A tank can be grubby.Logical formLearned from2 sentences. Buildings can be grubby.Logical formLearned from2 sentences. An industrial town can be grubby.Logical formLearned from2 sentences. Everyone may feel grubby.Logical formLearned from2 sentences. An operation can be grubby.Logical formLearned from2 sentences. A strip can be grubby.Logical formLearned from2 sentences. A matter can be grubby.Logical formLearned from2 sentences. A little brother can be grubby.Logical formLearned from2 sentences. A taxicab can be grubby.Logical formLearned from2 sentences. Pieces can be grubby.Logical formLearned from2 sentences. Monopolists can be grubby.Logical formLearned from2 sentences. A change can be grubby.Logical formLearned from2 sentences. A café can be grubby.Logical formLearned from2 sentences.