Kidney would be the correct answer
abab cdcd efef gg. Because the vast majority of Shakespeare’s sonnets followed this rhyme scheme, it came to be known as Shakespearian Sonnet.
Maybe he meant that for him is hard to write or create a realistic idea about what to write and how.
An abandoned office would most likely be the best one. Just by hearing the word abandoned, it can give people chills because they don't expect what that abandoned office have. In a fiction story, it might have zombies or something.