Write an inquisitive question about a specific text span in a given sentence such that the answer is not in the text.
Example: Sentence: The Obama administration is developing additional screening protocols for airline passengers both overseas and in the United States to control infectious diseases such as Ebola, President Barack Obama said Monday .<sep>Span: Obama administration
Example solution: What was the duration of the Obama administration?
Example explanation: It is an inquisitive question based on the specific span of the sentence.

Problem: Sentence: Nearly a dozen file cabinets tipped on their sides .<sep>Span: tipped on their sides

Solution: What caused the cabinets to tip on their sides?