1. student name that talk no party
t.m,1,1,1,2.3,4,1,2,2
A.R,5,1,3,1,,2,3
k.B,4,5,12,1
D.G,6,12,1,1,2,1
D.T,3,4,5,12,12,12,12,1,1,4,5
Emerson.T,2,3,4,5,6,7,8,9,12,12,1
t.c,1,2,3,12