Definition: In this task, you will be presented with a text and a pronoun. You should write the name that the pronoun refers to. Position of the pronoun in the text is showed within two "_"s.
Input: Although Arima and Kazuhide successfully retreated thanks to Tadakatsu's aid, the Eastern Army suffered significant losses from the battle and had to pull back from the Mino Akasaka territory, while Sakon and Teruzumi triumphantly returned to Mitsunari and their army's morale was restored. Based on _his_ experience on the field, Sakon advised to move the battle to Sekigahara. <sep>, Pronoun: his

Sakon