A cat may curl_up on a bookshelf.Logical formLearned from4 sentences. A cat may curl_up on a sofa.Logical formLearned from4 sentences. Persons may curl_up into balls.Logical formLearned from4 sentences. A husband may curl_up on a blanket.Logical formLearned from4 sentences. A boy may curl_up.Logical formLearned from4 sentences. A female may curl_up on a spot.Logical formLearned from4 sentences. A male may curl_up legs.Logical formLearned from4 sentences. A person may curl_up under a bed.Logical formLearned from4 sentences. A blue smoke may curl_up from chimneys.Logical formLearned from4 sentences. A male may curl_up on a side.Logical formLearned from4 sentences. A firefighter may curl_up on a pew.Logical formLearned from4 sentences. Prostitutes may curl_up on sidewalks.Logical formLearned from4 sentences. A daughter may curl_up on a couch.Logical formLearned from4 sentences. A girl may curl_up in a ball.Logical formLearned from4 sentences. A male may curl_up on a couch.Logical formLearned from4 sentences.