I plan to try again soon . These are mission figs and brown turkey figs . The night before last I got up to let the cat out . I lost my balance and fell , hitting my knee hard on the ceramic tile .

Choose from:
(I) They got hit by a car .
(II) They got bit by the cat .
(III) None of the above choices .
(IV) They fell last night .
Q: Why is the narrator 's knee all bruised up ?
(IV)