Research can be into a relative effectiveness of charities.Logical formLearned from2 sentences. A body can be relative to a (reference frame).Logical formLearned from2 sentences. A relative difference can be in index of refraction.Logical formLearned from2 sentences. An information can be relative to requirements.Logical formLearned from2 sentences. Relative orientations may pertain-to a supericosahedra.Logical formLearned from2 sentences. Some issues can be relative to rights.Logical formLearned from2 sentences. Well-being can be relative to general equilibrium.Logical formLearned from2 sentences. A relative size may pertain-to a canal.Logical formLearned from2 sentences. A family may live in relative poverty.Logical formLearned from2 sentences. Power can be relative to others.Logical formLearned from2 sentences. Relative motion can be constituted-of-or-filled-with objects.Logical formLearned from2 sentences. A fluid can be relative to a (propeller blade).Logical formLearned from2 sentences. A position can be relative to a height.Logical formLearned from2 sentences. A relative error may grow.Logical formLearned from2 sentences. An expression can be for a relative error.Logical formLearned from2 sentences.