A remedy can be useless.Logical formLearned from12 sentences. Orbits can be useless.Logical formLearned from12 sentences. Rockets can be useless.Logical formLearned from11 sentences. Inventions can be useless.Logical formLearned from11 sentences. A product can be useless.Logical formLearned from11 sentences. Equipment can be useless.Logical formLearned from11 sentences. A confrontation can be useless.Logical formLearned from11 sentences. An encumbrance can be useless.Logical formLearned from11 sentences. Soldiers can be useless.Logical formLearned from11 sentences. A spending can be useless.Logical formLearned from11 sentences. A therapy can be useless.Logical formLearned from11 sentences. An amount can be useless.Logical formLearned from11 sentences. Knick-knacks can be useless.Logical formLearned from11 sentences. A brain can be useless.Logical formLearned from11 sentences. A scrap can be useless.Logical formLearned from11 sentences.