Detailed Instructions: Indicate a text span in the passage about which an inquisitive question is asked. (note, don't answer the question).
Q: Sentence: Institut Merieux S . A . of France said the Canadian government raised an obstacle to its proposed acquisition of Connaught BioSciences Inc . for 942 million Canadian dollars ( US $ 801 . 6 million ) .<sep>Question: why did they raise a obstacle?
A:
raised an obstacle