Subtle Interaction Between Two Characters -Ideas:

1. Whispering
2. Phone Call?
3. Pointing at a character?
4. Walking past someone/ Avoiding them
5. Winking at character
6. Giving Evil eyes
7. A head nodding/shaking at character
8. A wave
9. A smile
10. Hand on shoulder/Arm around friend
11. Quick glance, side glance
12. Handshake
13. Passing an object to other character
14. Nudging a character

Extreme interaction between two characters-Ideas:

1. Drunk character, falling over on other person
2. Hugging/Kissing
3. Fighting- Martial Arts- Warriors 
4. Two characters shouting at each other
5. Two characters dancing with each other
6. Extreme emotional interaction ? Crying, Laughing together

Character negotiating a path through an obstacle course-Ideas:

1. Avoiding bombs?
2. Avoiding objects - Walking through corridor - Boxes and files - 
3. Jumping over objects, ducking underneath, crawling, side stepping, forward roll, on back shimmying, slowly stepping around/over something, tip toeing. 

Complex And Dynamic interaction between no less than two people lasting no less than 5 seconds of action:

1. Dancing- Party
2. Fighting

Lip Syncing- Ideas:

1. A speech- Famous/powerful/memorable
2. A podcast
3. A stupid/Gormless/Silly character saying pointless things
4. An angry character- Shouting/pointing
5. Sad Characters
6. Happy character/ Laughing and joking
7. Conversation between two people
8. Radio Show?
9. Character singing