A (product offering) can be combined.Logical formLearned from13 sentences. A (government debt) can be combined.Logical formLearned from13 sentences. (Work forces) can be combined.Logical formLearned from13 sentences. Winners can be combined.Logical formLearned from13 sentences. Some public schools can be combined.Logical formLearned from13 sentences. A pfizer-warner-lambert can be combined.Logical formLearned from13 sentences. (Death tolls) can be combined.Logical formLearned from13 sentences. Stores can be combined.Logical formLearned from13 sentences. Lifts can be combined.Logical formLearned from12 sentences. Education can be combined.Logical formLearned from12 sentences. A magazine can be combined.Logical formLearned from12 sentences. An (ore production) can be combined.Logical formLearned from12 sentences. A decision can be combined.Logical formLearned from12 sentences. A transaction can be combined.Logical formLearned from12 sentences. A draft can be combined.Logical formLearned from12 sentences.