This is a paraphrasing task. In this task, you're given a sentence and your task is to generate another sentence which express same meaning as the input using different words.
One example is below.
Q: Giraffes like Acacia leaves and hay, and they can consume 75 pounds of food a day.
A: A giraffe can eat up to 75 pounds of Acacia leaves and hay daily.
Rationale: Input and output sentence have same meaning in different words.
Q: this warning , and the delayed departure date , has added to the sense of frustration caused by our total failure to get anywhere with big brother .
A:
the warning and postponement of the departure date added to a sense of futility that had brought the utter failure of some kind with big brother .