32. It can reasonably be inferred that the problem the
author mentions in line 33 refers to:

  • F. a particular aspect of Bailin’s theory for which
    there is little evidence. 

  • G. a mathematical computation that led Bailin to
    focus on the Sagittarius Dwarf.

  • H. the question of which physical processes caused
    the warp in the Milky Way.

  • J. the potential impact of wobbly gyrations on the
    Milky Way’s rotation