A scale can be open-ended.Logical formLearned from1 331 sentences. A commitment can be open-ended.Logical formLearned from953 sentences. A strike can be open-ended.Logical formLearned from581 sentences. A nature can be open-ended.Logical formLearned from281 sentences. A war can be open-ended.Logical formLearned from272 sentences. A process can be open-ended.Logical formLearned from251 sentences. A commitment can be open-ended.Logical formLearned from226 sentences. A cease-fire can be open-ended.Logical formLearned from222 sentences. A truce can be open-ended.Logical formLearned from195 sentences. Problems can be open-ended.Logical formLearned from177 sentences. Responses can be open-ended.Logical formLearned from167 sentences. Interviews can be open-ended.Logical formLearned from165 sentences. A (working group) can be open-ended.Logical formLearned from150 sentences. A sit-in can be open-ended.Logical formLearned from140 sentences. A run can be open-ended.Logical formLearned from135 sentences.