Indicate a text span in the passage about which an inquisitive question is asked. (note, don't answer the question).
One 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>Question: What was the duration of the Obama administration?
Solution is here: Obama administration
Explanation: It guesses the right span of the sentence where the question is from.

Now, solve this: Sentence: Under the latest offer , HK $ 62 . 5 million ( US $ 8 million ) of three - year warrants will be issued in London , each giving buyers the right to buy one Hong Kong Telecommunications share at a price to be determined Friday .<sep>Question: Why can buyers only buy one?
Solution:
giving buyers the right to buy one