The installation appeared in Concrete Oasis 3.0, an exhibition by Mann’s XA installation class held at Grand LA in April. But it also trained her some habits that didn’t translate to the XA program, like starting every project by thinking about what a client or audience might want. Smith is no longer at USC, and Hou said she now has neither that mentor nor the XA course structure. The 70 Deadly Sins nevertheless gave Hou an early taste of what she had come to the XA program to find. “I felt like this time, I was showing people my work,” Hou said.