The five questions about the seven sentences

?A. I've read the biography of the actor shot dead by a gang two years ago.

B. I've read the biography of the actor published two years ago.

C. Yesterday, did you see a man of this type walking around there? ("You" weren't walking around there)

D. Yesterday, did you come across a man of this type sitting on the bench? ("You weren't sitting on the bench)

E. Yesterday, did you give a box to a man of this type sitting on the bench? ("You" weren't sitting on the bench)

F. I've read the biography of the actor that was published two years ago.

G. I've read the biography of the actor, which was publicised two years ago.

Q1) Are all the sentences above correct and grammatical?

Q2) In A, does "shot dead by a gang two years ago" describe "the actor"?

Q3) In B, does "published two years ago" describe "the biography"?

Q4) In C,D,E, does "sitting on the bench" describe "a man"?

Q5) In F,G, does "that/which was published two years ago" describe "the biography"?

Q6) In A and B, does "two years ago" describe when the man was shot and the biography was published?

I'd say yes to these five questions, but I'm not really sure whether I'm correct. Would you please help me out?

It's not homework. Just a post to make clear everything that I'm not sure about.