Constraints can be geometric.Logical formLearned from209 sentences. Constraints may pertain-to a person.Logical formLearned from202 sentences. Constraints can be technological.Logical formLearned from185 sentences. Constraints may pertain-to persons.Logical formLearned from184 sentences. Constraints can be artificial.Logical formLearned from169 sentences. Constraints can be strict.Logical formLearned from151 sentences. A constraint can be serious.Logical formLearned from149 sentences. Constraints can be global.Logical formLearned from147 sentences. Constraints can be geographical.Logical formLearned from135 sentences. Constraints can be formal.Logical formLearned from131 sentences. Constraints can be hard.Logical formLearned from130 sentences. (Time constraints) can be tight.Logical formLearned from130 sentences. Variety can be constituted-of-or-filled-with constraints.Logical formLearned from120 sentences. Constraints can be basic.Logical formLearned from117 sentences. Constraints can be geographic.Logical formLearned from116 sentences.