original: the arrival of the two mice raises her morale .
simplifications: the arrival of the two mice keeps her in good spirits . two mice raised her morale when they arrived . the arrival of the two mice raises her morale . the arrival of the two mice raises her morale . her morale was raised by the arrival of the mice . the arrival of the two mice raises her morale . the arrival of the two mice raises her morale . she felt a morale boost on seeing the two mice .