(Space constraints) can be tight.Logical formLearned from11 sentences. (Time constraints) may be involved.Logical formLearned from11 sentences. (Space constraints) may pertain-to persons.Logical formLearned from11 sentences. Constraints can be persistent.Logical formLearned from11 sentences. Constraints can be on variables.Logical formLearned from11 sentences. Constraints can be on values.Logical formLearned from11 sentences. Constraints can be in place.Logical formLearned from11 sentences. An era can be constituted-of-or-filled-with constraint.Logical formLearned from11 sentences. Constraints can be on choices.Logical formLearned from11 sentences. Constraints can be syntactical.Logical formLearned from11 sentences. A constraint can be geographical.Logical formLearned from11 sentences. A constraint can be on power.Logical formLearned from11 sentences. Constraints can be identified.Logical formLearned from11 sentences. Solutions can be to constraints.Logical formLearned from11 sentences. Constraints may pertain-to a position.Logical formLearned from11 sentences.