Draw the two line-ups.
Jill, __, __, James
Jim, __, James, __
Only the second spot doesn't have a name change defined by the problem statement. If Jane remains in the same spot in both line-ups, she must be in the second spot.
Jill, __, __, James
Jim, __, James, __
Only the second spot doesn't have a name change defined by the problem statement. If Jane remains in the same spot in both line-ups, she must be in the second spot.