Washington (CNN) President Donald Trump said Wednesday that he hopes things work out between the Chinese central government and Hong Kong demonstrators protesting changes to an extradition bill.

"I don't know what they're sending them. That's a demonstration that they're having. I understand the reason for the demonstration but I'm sure they'll be able to work it out. I hope they'll be able to work it out with China," said Trump, when asked if the protesters are sending a message to China.

Trump said the Hong Kong demonstration he saw was "as big a demonstration as I've ever seen."

"So, I hope it all works out for China and for Hong Kong," he said.

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