A recording can be passive.Logical formLearned from9 sentences. A symbol can be passive.Logical formLearned from9 sentences. An endeavor can be passive.Logical formLearned from9 sentences. A region can be passive.Logical formLearned from9 sentences. A representation can be passive.Logical formLearned from9 sentences. A world can be passive.Logical formLearned from9 sentences. Feelings can be passive.Logical formLearned from9 sentences. A shield can be passive.Logical formLearned from9 sentences. Packets can be passive.Logical formLearned from9 sentences. Designs can be passive.Logical formLearned from9 sentences. Counterparts can be passive.Logical formLearned from9 sentences. An intervention can be passive.Logical formLearned from9 sentences. Resistance can be passive.Logical formLearned from9 sentences. A surrender can be passive.Logical formLearned from9 sentences. A (radar system) can be passive.Logical formLearned from9 sentences.