y	age	x2	x3	TRT
56	21	1	0	A
41	23	0	1	B
40	30	0	1	B
28	19	0	0	C
55	28	1	0	A
25	23	0	0	C
46	33	0	1	B
71	67	0	0	C
48	42	0	1	B
63	33	1	0	A
52	33	1	0	A
62	56	0	0	C
50	45	0	0	C
45	43	0	1	B
58	38	1	0	A
46	37	0	0	C
58	43	0	1	B
34	27	0	0	C
65	43	1	0	A
55	45	0	1	B
57	48	0	1	B
59	47	0	0	C
64	48	1	0	A
61	53	1	0	A
62	58	0	1	B
36	29	0	0	C
69	53	1	0	A
47	29	0	1	B
73	58	1	0	A
64	66	0	1	B
60	67	0	1	B
62	63	1	0	A
71	59	0	0	C
62	51	0	0	C
70	67	1	0	A
71	63	0	0	C