Alice and Elsie were both at The Crown.

Who was in it

• Alice — actor
• Elsie — participant

Who knew about it

An event happening and a person knowing about it are different facts.

• Alice
• Elsie

Payload

{
  "people": [
    "Alice",
    "Elsie"
  ],
  "rapport": [
    {
      "other": "Elsie",
      "person": "Alice",
      "affection": 0,
      "familiarity": 1
    },
    {
      "other": "Alice",
      "person": "Elsie",
      "affection": 0,
      "familiarity": 1
    }
  ]
}

Produced by action #18: move arrive scheduled for Day 1, 06:25, completed.