Pack one room at a time if possible, and start with items that are least often used.
1	Pack	pack	VERB	VB	Mood=Imp|Person=2|VerbForm=Fin	0	root	0:root	Discourse=ROOT:7:0|XML=<hi rend:::"bold">
2	one	one	NUM	CD	NumForm=Word|NumType=Card	3	nummod	3:nummod	Entity=(8-object-new-cf1-2-sgl
3	room	room	NOUN	NN	Number=Sing	1	obj	1:obj	Entity=8)
4	at	at	ADP	IN	_	6	case	6:case	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	6:det	_
6	time	time	NOUN	NN	Number=Sing	1	obl	1:obl:at	_
7	if	if	SCONJ	IN	_	8	mark	8:mark	Discourse=contingency-condition:8->7:0
8	possible	possible	ADJ	JJ	Degree=Pos	1	advcl	1:advcl:if	SpaceAfter=No
9	,	,	PUNCT	,	_	11	punct	11:punct	_
10	and	and	CCONJ	CC	_	11	cc	11:cc	Discourse=joint-list_m:9->7:1
11	start	start	VERB	VB	Mood=Imp|Person=2|VerbForm=Fin	1	conj	1:conj:and	_
12	with	with	ADP	IN	_	13	case	13:case	_
13	items	item	NOUN	NNS	Number=Plur	11	obl	11:obl:with|18:nsubj:pass	Entity=(9-object-new-cf2-1-sgl
14	that	that	PRON	WDT	PronType=Rel	18	nsubj:pass	13:ref	Discourse=elaboration-attribute:10->9:0
15	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	18	aux:pass	18:aux:pass	_
16	least	least	ADV	RBS	Degree=Sup	17	advmod	17:advmod	_
17	often	often	ADV	RB	Degree=Pos	18	advmod	18:advmod	_
18	used	use	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	13	acl:relcl	13:acl:relcl	Entity=9)|SpaceAfter=No
19	.	.	PUNCT	.	_	1	punct	1:punct	XML=</hi>
