It's a break in the trial, and Superman is offering Lois an alternative to the electric chair:
And there is a basis for Lois to plead that way...
You would think that some in-between charges like manslaughter or negligent homicide might be thrown out here, as compromises. But nope, It's Arkham or the chair for you, Lois!!
SPOILER ALERT: She refuses the generous offer.
From Lois Lane #100 (1970)