Directional reaction signs can be modified based on eye level. It can be height based or authority based.
Individual Eye Level directional reaction upward to them directional reaction downward to them directional reaction upward to me directional reaction downward to me
Group Eye Level directional reaction to them directional reaction to me directional reaction to you
Examples
Individual reaction I found the fireworks lovely. The boss is happy with me.
Group reaction We support them. Everyone is smiling at me.