Issues can be subtle.Logical formLearned from197 sentences. A performance can be subtle.Logical formLearned from195 sentences. Patterns can be subtle.Logical formLearned from187 sentences. Influences can be subtle.Logical formLearned from183 sentences. Gradations can be subtle.Logical formLearned from176 sentences. A pattern can be subtle.Logical formLearned from173 sentences. Work can be subtle.Logical formLearned from170 sentences. Discrimination can be subtle.Logical formLearned from168 sentences. A kind can be subtle.Logical formLearned from168 sentences. Energy can be subtle.Logical formLearned from162 sentences. Means can be subtle.Logical formLearned from158 sentences. A sweetness can be subtle.Logical formLearned from156 sentences. Points can be subtle.Logical formLearned from154 sentences. A level can be subtle.Logical formLearned from153 sentences. A movement can be subtle.Logical formLearned from151 sentences.