original: Rhys ap Gruffydd agrees to negotiate with Henry II of England.
simplifications: Rhys ap Gruffydd will have a discussion with Henry II of England. Rhys ap Gruffydd negotiates with Henry II of England. Rhys ap Gruffydd agrees to negotiate with Henry II of England. Rhys ap Gruffydd agrees to deal with Henry II of England. Rhys ap Gruffydd agrees to the negotiation with Henry II of England. Rhys ap Gruffydd agrees to discuss things with Henry II of England. Rhys ap Gruffydd agrees to negotiate with Henry II of England. Rhys ap Gruffydd agreed to negotiate with Henry II of England. Rhys ap Gruffydd consents to deal with England's Henry II. Rhys ap Gruffydd agrees to bargain with Henry II of England.