A deterioration can be qualitative.Logical formLearned from6 sentences. Diplomatic relations may undergo a deterioration.Logical formLearned from6 sentences. An (irrigation system) may undergo a deterioration.Logical formLearned from6 sentences. A deterioration can be in renal function.Logical formLearned from6 sentences. A deterioration can be gradual.Logical formLearned from6 sentences. Collections may undergo a deterioration.Logical formLearned from6 sentences. A deterioration can be in quality.Logical formLearned from6 sentences. Reasons can be for a deterioration.Logical formLearned from6 sentences. Schools may undergo a deterioration.Logical formLearned from6 sentences. A deterioration can be in bilateral relations.Logical formLearned from6 sentences. Deterioration can be in a continent.Logical formLearned from6 sentences. A physical plant may undergo a deterioration.Logical formLearned from6 sentences. A deterioration can be reliable.Logical formLearned from6 sentences. Protection can be from deterioration.Logical formLearned from6 sentences. A deterioration can be in (water quality).Logical formLearned from6 sentences.