rational adjustment in a sentence

1. "It's a very rational adjustment.
2. The idea of rational adjustments to make romance work is territory this cast negotiates comfortably, with Julie Kavner, Mantegna, Stevenson and Cathy Moriarty the most appealing of the troupers hanging in there.
3. Company officials described the closings _ which were announced nearly a year ago _ as a rational adjustment to an economy that is not building many of the tall office buildings that require the jumbo beams.
4. It's difficult to find rational adjustment in a sentence.