Jill walks to the second floor and sits in her cubicle, where is she?
Options:
- office building
- house
- hotel
- school
- a chair
Let's do it gradually: Cubicles are there in office building. In office, people go in their respective cubicles to work.... So the answer is office building.

If I wanted to go through a door, but it was closed, what would I have to do to it?
Options:
- keep people out
- enclose cupboard
- teleport
- glass
- open
Let's do it gradually: Open is not closed in or covered; not enclosed. If I wanted to go through a door, but it was closed, I would have to open it.... So the answer is open.

How do you signal that you are agreeing with someone on a deal?
Options:
- lie
- nodding
- shaking hand
- nod and smile
- whistle

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Let's do it gradually: Shaking hand is an indication of making a deal. Indication comes under a signal.... So the answer is shaking hand.