A source can be male.Logical formLearned from18 sentences. (Fiddler crabs) can be male.Logical formLearned from18 sentences. A bishop can be male.Logical formLearned from18 sentences. Partygoers can be male.Logical formLearned from18 sentences. A passer-by can be male.Logical formLearned from18 sentences. A player can be male.Logical formLearned from18 sentences. Pedestrians can be male.Logical formLearned from18 sentences. Ostriches can be male.Logical formLearned from18 sentences. A primacy can be male.Logical formLearned from18 sentences. (Board members) can be male.Logical formLearned from18 sentences. An interpreter can be male.Logical formLearned from18 sentences. Foetuses can be male.Logical formLearned from18 sentences. Judokas can be male.Logical formLearned from17 sentences. A tribute can be male.Logical formLearned from17 sentences. A tissue can be male.Logical formLearned from17 sentences.