A fence may pertain-to a zoo.Logical formLearned from6 sentences. A fence can be necessary.Logical formLearned from6 sentences. Fences can be of wood.Logical formLearned from6 sentences. A success may pertain-to a fence.Logical formLearned from6 sentences. A fence can be enough.Logical formLearned from6 sentences. Fences may be extended.Logical formLearned from6 sentences. Fences may collapse.Logical formLearned from6 sentences. A person may walk to a fence.Logical formLearned from6 sentences. A fence can be constituted-of-or-filled-with trees.Logical formLearned from6 sentences. A fence can be in an area.Logical formLearned from6 sentences. Fences may disappear.Logical formLearned from6 sentences. A (construction fence) may go_up.Logical formLearned from6 sentences. Fences can be common.Logical formLearned from6 sentences. Fences can be constituted-of-or-filled-with stone.Logical formLearned from6 sentences. A (security fence) may erect by a country.Logical formLearned from6 sentences.