WE KNEW (A) A LOT OF ABOUT THE TOPIC (B) ALREADY, BUT (C) HIS TALK WAS INTERESTING (D) NEVERTHELESS

5/ - SACH BT ANH 10 CO DAP AN
SACH BT ANH 10 CO DAP AN

5/ We knew (A) a lot of about the topic (B) already, but (C) his talk was interesting (D) nevertheless.