Britain failed to get Trump impeached, so they have to send their own navy into the South China Sea, revealing that the UK is in fact the mastermind of Western military policy, which simplifies to a manageable equation:
UK Frigrate in South China Sea = Chinese Frigate in the English Channel
No need to involve the US in the fray any more, simple enough, with a straightforward solution, like:
China should reward Britain for leaving the E.U. by donating Mischief Island, Paracel Island and all those disputed territories with English names in the so-called "South China Sea". What are friends for if not to give when someone deserves rewards?