Birds can be rare.Logical formLearned from1 480 sentences. A sight can be rare.Logical formLearned from1 379 sentences. An instance can be rare.Logical formLearned from1 362 sentences. A treat can be rare.Logical formLearned from1 354 sentences. Items can be rare.Logical formLearned from1 299 sentences. Times can be rare.Logical formLearned from1 272 sentences. A step can be rare.Logical formLearned from1 193 sentences. Events can be rare.Logical formLearned from1 163 sentences. A feat can be rare.Logical formLearned from1 150 sentences. A type can be rare.Logical formLearned from1 146 sentences. A day can be rare.Logical formLearned from1 091 sentences. A bird can be rare.Logical formLearned from1 072 sentences. A display can be rare.Logical formLearned from1 063 sentences. A victory can be rare.Logical formLearned from1 055 sentences. Attacks can be rare.Logical formLearned from1 003 sentences.