How about the lines to the check-in counters in a busy travel period?
1	How	how	ADV	WRB	PronType=Int	0	root	0:root	_
2	about	about	ADP	IN	_	4	case	4:case	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	4:det	_
4	lines	line	NOUN	NNS	Number=Plur	1	obl	1:obl:about	_
5	to	to	ADP	IN	_	10	case	10:case	_
6	the	the	DET	DT	Definite=Def|PronType=Art	10	det	10:det	_
7	check	check	VERB	VB	VerbForm=Inf	10	compound	10:compound	SpaceAfter=No
8	-	-	PUNCT	HYPH	_	9	punct	9:punct	SpaceAfter=No
9	in	in	ADP	RP	_	7	compound:prt	7:compound:prt	_
10	counters	counter	NOUN	NNS	Number=Plur	4	nmod	4:nmod:to	_
11	in	in	ADP	IN	_	15	case	15:case	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	15	det	15:det	_
13	busy	busy	ADJ	JJ	Degree=Pos	15	amod	15:amod	_
14	travel	travel	NOUN	NN	Number=Sing	15	compound	15:compound	_
15	period	period	NOUN	NN	Number=Sing	4	nmod	4:nmod:in	SpaceAfter=No
16	?	?	PUNCT	.	_	1	punct	1:punct	_
