Complex sentence: The Trans-Pacific Partnership (TPP) or Trans Pacific Partnership Agreement (TPPA) is a trade agreement among twelve Pacific Rim countries signed on 4 February 2016 in Auckland, New Zealand, after seven years of negotiations.
Split into simpler sentences: The Trans-Pacific Partnership (TPP) or Trans Pacific Partnership Agreement (TPPA) is a trade agreement among twelve Pacific Rim countries. The finalized proposal was signed on 4 February 2016 in Auckland, New Zealand, concluding seven years of negotiations.