Use reasoning to lead to the answer of the following question:
Males can sometimes have explicit fantasies while sleeping, this can lead to what stiff situations?\nOptions:\n- nightmares\n- death\n- desires\n- erections\n- dreams
 Reasoning process:
User
Erections are the stiff situations that males can have. Males sometimes have explicit fantasies while sleeping which leads to erections. Therefore, the final answer is erections.
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