Mahabharata 3.263.39

रावणेन हृता सीता राज्ञा लङ्कानिवासिनासुग्रीवमभिगच्छस्व स ते साह्यं करिष्यति

rāvaṇena hṛtā sītā rājñā laṅkānivāsināsugrīvamabhigacchasva sa te sāhyaṃ kariṣyati

Our plain-language meaning of this verse is waiting for scholar review.