You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Sino-Tibetan_relations_during_the_Ming_dynasty

Context:
According to Chen, the Ming officer of Hezhou (modern day Linxia) informed the Hongwu Emperor that the general situation in Dbus and Gtsang "was under control," and so he suggested to the emperor that he offer the second Phagmodru ruler, Jamyang Shakya Gyaltsen, an official title. According to the Records of the Founding Emperor, the Hongwu Emperor issued an edict granting the title "Initiation State Master" to Sagya Gyaincain, while the latter sent envoys to the Ming court to hand over his jade seal of authority along with tribute of colored silk and satin, statues of the Buddha, Buddhist scriptures, and sarira.

Question:
Who told the emperor that the situation in Dbus and Gtsang were under control?

the Ming officer of Hezhou