<|im_start|>system
Please reason step by step, and put your final answer within \boxed{}.<|im_end|>
<|im_start|>user
Given the following crystal representation:
4.8 4.8 7.5
90 90 119
Tb
0.00 0.00 0.03
Tb
0.00 0.00 0.80
Ag
0.42 0.40 0.40
Ag
0.00 0.79 0.17
Pb
0.00 0.79 0.69
Pb
0.42 0.40 0.46
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.8 4.8 7.5
90 90 119
Tb
0.00 0.00 0.03
Tb
0.00 0.00 0.80
Ag
0.42 0.40 0.40
Ag
0.00 0.79 0.17
Pb
0.00 0.79 0.69
Pb
0.42 0.40 0.46
Identify the crystal system.