3:1-3:3	FUN	fun
3:5-3:5	ID	f
3:6-3:6	LBRACKET	(
3:7-3:7	RBRACKET	)
3:9-3:9	COLON	:
3:11-3:14	BOOL	bool
3:16-3:16	EQUALS	=
3:18-3:18	ID	a
3:20-3:20	GT	>
3:22-3:22	ID	b
3:24-3:24	LT	<
3:26-3:26	ID	c
	EOF