You're right. You obviously know Geoff. If you see him, tell him to stay away from my missus or else he'll get what's coming to him. With only two questions to go, you have one life left. It's going to be tight. Here's Question 6.

I was trained to make explosions from washing up liquid, birthday cards, a pipe cleaner, ______ _______.

   battery acid and a watch
   Semtex and a detonator