In this task, you are given a piece of an article. Your task is to generate a short summary of the text. Try to give the summary in just one sentence.
Q: Gov. Terry Branstad and members of a Chinese delegation from Hebei Province signed an ''agreement of understanding'' Tuesday afternoon deepening ties between Iowa and the province, which is home to 72 million people.
A:
Kimiko Date-Krumm was forced to retire in the first round of the BMW Malaysian Open.