The discussion technique that Jennifer uses most clearly in this conversation is, challenging assumptions.
When we want to give a discussion a different approach, we use this technique through What if... questions, it is necessary to present another alternative to respond to things that we already established.
The other techniques are very different from this one, promoting participation would be mostly used by a moderator not a regular participant in the conversation, MAking an objective is to land the discussion into something real, and Asking for rhetorical questions does expect any kind of answer which we do have in here, therefore the other three options are incorrect.
Answer: They describe the characters' movements.
Explanation: Most stage directions tell who is entering or exiting the stage. The stage directions may mention where characters are sitting or standing. They may indicate pauses in the delivery of lines or "asides."
Things are compared with other things to:
1. give them a deeper meaning
2. explainations
3. To show similarites