Symptoms can be mild.Logical formLearned from246 sentences. Symptoms may occur.Logical formLearned from243 sentences. Symptoms may pertain-to a disorder.Logical formLearned from240 sentences. Symptoms may undergo a constellation.Logical formLearned from238 sentences. Ebooks may describe causes of symptoms.Logical formLearned from237 sentences. Symptoms may persist.Logical formLearned from233 sentences. Symptoms can be suspicious.Logical formLearned from232 sentences. Symptoms may worsen.Logical formLearned from228 sentences. Persons may have symptoms.Logical formLearned from227 sentences. Symptoms may include pain.Logical formLearned from222 sentences. Symptoms can be constituted-of-or-filled-with (stress disorder).Logical formLearned from216 sentences. Symptoms may include nausea.Logical formLearned from214 sentences. Symptoms can be constituted-of-or-filled-with (bird flu).Logical formLearned from214 sentences. Symptoms can be distressing.Logical formLearned from212 sentences. Improvement can be in symptoms.Logical formLearned from212 sentences.