Suggest a rhetorical question that could be used in this sentence.
I couldn’t understand why she did it.
Can anyone truly fathom the motivations behind her actions?
Complete the following task based on the instruction and optional input provided.### Instruction:
Suggest a rhetorical question that could be used in this sentence.

### Input:
I couldn’t understand why she did it.

### Output:
Can anyone truly fathom the motivations behind her actions?