<|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:
5.3 5.3 3.8
90 90 138
Ti
0.00 0.00 0.00
Mn
0.87 0.85 0.90
Mn
0.87 0.15 0.00
Mn
0.87 0.00 0.90
Mn
0.87 0.85 0.00
Mn
0.87 0.15 0.90
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.3 5.3 3.8
90 90 138
Ti
0.00 0.00 0.00
Mn
0.87 0.85 0.90
Mn
0.87 0.15 0.00
Mn
0.87 0.00 0.90
Mn
0.87 0.85 0.00
Mn
0.87 0.15 0.90
Identify the crystal system.