Cheat Sheet

• Inline choice: {(X), (Y)} → X or Y
• With weights: {(X) 70, (Y)} → X (70% of the time) or Y (30% of the time)
• Nested choice: {(X), (nested {(Y), (Z)})} → X or (nested Y or nested Z)
• References: {Name: (Alice), (Bob)} tied {@Name: 0 -> (her), 1 -> (his)} shoe.

See the docs for more.