She was doubtful as to how long she could sustain this illusion, but she realized the importance of not dragging an unknown Rita into it.
She wasn't sure if she could continue sustaining this illusion.
mnli hypothesis: She wasn't sure if she could continue sustaining this illusion. premise: She was doubtful as to how long she could sustain this illusion, but she realized the importance of not dragging an unknown Rita into it.