action-american-football-play
	score-attempt-result
		conversion-attempt
		field-goal-attempt

action-american-football-play
action-american-football-drive
	drive-result
		score
		score-attempt
		punt
		fumble
		interception
		marker-not-reached	On the final down, the team in possession did not reach the first-down marker.

action-american-football-score
	score-type
		touchdown
		safety
		conversion
		field-goal
		extra-point

action-american-football-penalty
	penalty-side
		offensive
		defensive

	penalty-level
		delay-of-game
		encroachment
		false-start
		offside

action-american-football-timeout
	timeout-type
		2-minute
		1-minute

action-american-football-play-participant
	role
		snapper
		snap-receiver
		handoff-receiver
		lateral-receiver
		pass-receiver
		interceptor
		fumble-recoverer
		rusher
		tackler
		kick-blocker

	result
		tackle
		sack
		forward-pass
		lateral-pass
		incomplete-pass
		kick
		handoff
		fumble
		ball-grounded
		ball-out-of-bounds
		score

	kick-type
		punt
		onside
		extra-point
		field-goal-attempt

	penalty-type
		none
		batting-ball
		fair-catch-interference
		helping-runner
		holding
		illegal-contact
		illegal-forward-pass
		illegal-motion
		ineligible-player-downfield
		intentional-grounding
		pass-interference
		personal-foul

action-american-football-substitution

	position
		center
		guard
		end
		tackle
		running-back
		half-back
		full-back
		quarterback
		wide-receiver
		receiver
		lineman
		safety
		cornerback
		linebacker
		referee
		linesman
		line-judge
		back-judge
		side-judge
		field-judge
		coach
		assistant-coach

action-american-football-timeout
	caller
		team
		official