Determine if the sentence is true based on the text below. Choose from options.
Rennyo founded Honganji Shinshu Buddhism.

Five years later, Rennyo returned to the Kyoto area, establishing new Honganji branch temples. During this time, he established a new form of liturgy (gongyo), incorporating elements that would eventually become the core of Honganji Shinshu Buddhism.
Options: a. yes b. no
a.