Text: Surely a chilly business partner would at least have known about a case that was about to go on legal record and would never have urged her husband to brazen it out with the grand jury and start the whole miserable ball rolling.
Entailment: Having her husband go in front of the grand jury isn't consistent with the actions of a level-headed business partner.
Contradiction: Her actions are exactly what one would've expected from a cool business partner.