(Side lineages) can be extinct.Logical formLearned from2 sentences. A lineage may go extinct.Logical formLearned from2 sentences. (Side branches) can be extinct.Logical formLearned from2 sentences. Side-branches can be extinct.Logical formLearned from2 sentences. A row can be constituted-of-or-filled-with some extinct volcanoes.Logical formLearned from2 sentences. A line of clouds may form over a row of some extinct volcanoes.Logical formLearned from2 sentences. (Animal species) may fall extinct.Logical formLearned from2 sentences. A light can be extinct.Logical formLearned from2 sentences. A progenitor can be extinct.Logical formLearned from2 sentences. Words can be extinct.Logical formLearned from2 sentences. Thrips may be become extinct.Logical formLearned from2 sentences. Bones can be constituted-of-or-filled-with some extinct animals.Logical formLearned from2 sentences. Purity of mind can be extinct.Logical formLearned from2 sentences. A voice can be extinct.Logical formLearned from2 sentences. (Fir trees) can be extinct.Logical formLearned from2 sentences.