A conifer can be mature.Logical formLearned from6 sentences. Mangroves can be mature.Logical formLearned from6 sentences. Galls can be mature.Logical formLearned from6 sentences. A shell can be mature.Logical formLearned from6 sentences. A release can be mature.Logical formLearned from6 sentences. Mussels can be mature.Logical formLearned from6 sentences. A b-boy can be mature.Logical formLearned from6 sentences. A rock can be mature.Logical formLearned from6 sentences. A hero can be mature.Logical formLearned from6 sentences. Stallions can be mature.Logical formLearned from6 sentences. (Plane trees) can be mature.Logical formLearned from6 sentences. A stallion can be mature.Logical formLearned from6 sentences. (Breeding individuals) can be mature.Logical formLearned from6 sentences. (Pollen grains) can be mature.Logical formLearned from6 sentences. Hemlocks can be mature.Logical formLearned from6 sentences.