sentences:  In Mexico, most go to Mexico City, Tampico and Monterrey to work as household help but they also go to work in mines in Pachuca and farms in San Luis Potosí, coffee plantations in Huauchinango and the United States.Like most rural indigenous, the economy is based on agriculture, especially the growing of corn.Other important aspects include cattle, the processing of sugar cane, coffee and the growing of citrus as a cash crop although most of this is under the control of mestizos.