A younger sister can be an author.Logical formLearned from5 sentences. A younger brother can be an engineer.Logical formLearned from5 sentences. Rays can be younger.Logical formLearned from5 sentences. Sources can be younger.Logical formLearned from5 sentences. A younger brother may be selected.Logical formLearned from5 sentences. (Year levels) can be younger.Logical formLearned from5 sentences. A sibling can be a younger brother.Logical formLearned from5 sentences. A younger brother can be a cyclist.Logical formLearned from5 sentences. A younger brother may play in a country.Logical formLearned from5 sentences. A younger brother can be a runner.Logical formLearned from5 sentences. A younger brother may play for a club.Logical formLearned from5 sentences. A band may pertain-to a younger brother.Logical formLearned from5 sentences. A male can be a younger brother of a male-person.Logical formLearned from5 sentences. A younger brother can be a cricketer.Logical formLearned from5 sentences. A younger sister can be a skater.Logical formLearned from5 sentences.