Which of the following quantum gates operation gives the same output state |0 〉 ?

In our quantum circuit, we have a single qubit. and it is initialized to |0 〉 state.

Which of the following quantum gates operation gives the same output state |0 〉 ? (select any 3)
A . S
B . T
C . HSH
D . HYH
E . I
F . HZH

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Answer: ABE