fgn.txt

State: {In, Out}
	BallPlay: {Continuous, Discrete} // Live, Dead ball
		Default: Continuous
	ActionOutcome(Out): ActionOutcomes
	Context: Contexts
	Possession(Out): {Own, Opponent}
		Default: Own
	PlayerPosition: {GK, Outfield}
		Default: Outfield
	PlayingCondition: PlayingConditions[]
	Coordinate
		X: {D,DM,M,A}
		Y: {C,W}
			Default: C
		Context: Contexts.Coordinate

Contexts:
	InState:
		KO	// Kick-off
		PK	// Penalty-kick
		T	// Throw-in
		CK 	// Corner-kick
		GK	// Goal-kick
		SP	// Set-piece
	OutState:
		H	// Handball
		G	// Goal
		C	// Corner
		T 	// Throw-in
		GK	// Goal-kick
		F	// Foul
		O 	// Offside
	Coordinate:
		PenaltyArea

PlayingConditions:
	HD, // Header
	FT	// First-touch
	Dh  // Goalkeeper-hold

Context relationships:
	H(Coordinate.Context) -> PK
	C -> CK
	T -> T
	GK -> GK
	F,O -> SP

ActionOutcomes
	GS	// Goal-save
	PST	// Post