a) the daughter of Amy and Rory, conceived in the TARDIS which makes her
b) a Time Lord who
c) got kidnapped and was secretly best friends with her parents when they all went to high school as part of
d) an evil plot for her to assassinate the Doctor, who de-programmed her and later
e) married her, while all the time having already seen her
f) tragic-sacrifice death which now makes no sense because she was a Time Lord and
g) subsequent uploading to a computer heaven until
h) a Victorian lizard woman from the centre of the earth used a psychic conference call to