A depression may be upgraded to tropical storm.Logical formLearned from67 sentences. A depression can be on a month.Logical formLearned from66 sentences. A depression may intensify.Logical formLearned from65 sentences. A center may pertain-to a depression.Logical formLearned from65 sentences. A person may sink into a depression.Logical formLearned from65 sentences. Persons may have a depression.Logical formLearned from64 sentences. Depression may be treated.Logical formLearned from64 sentences. A depression may return.Logical formLearned from64 sentences. A relationship can be between depression.Logical formLearned from64 sentences. A system may become a tropical depression.Logical formLearned from64 sentences. A depression can be bowl-shaped.Logical formLearned from63 sentences. A depression can be persistent.Logical formLearned from63 sentences. A male may suffer from severe depression.Logical formLearned from63 sentences. A depression can be horrible.Logical formLearned from63 sentences. A depression may form.Logical formLearned from63 sentences.