Generate a sentence about this data: Java ETHNIC_GROUP Banyumasan people; Singapore LEADER_NAME Halimah Yacob; Ayam penyet REGION Singapore; Ayam penyet COUNTRY Java
There is an ethnic group from Java, a region of Singapore, called the Banyumasan people. Ayam penyet is a dish from the region. The leader, Halimah Yacob, a leader, is from Singapore.