The stampede began when luggage from a bus tripped pilgrims at the eastern end of the wall, causing a bottleneck.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	2:det	Discourse=elaboration-additional:9->5:3|Entity=(2-event-giv:act-cf1*-2-coref
2	stampede	stampede	NOUN	NN	Number=Sing	3	nsubj	3:nsubj	Entity=2)
3	began	begin	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
4	when	when	ADV	WRB	PronType=Int	9	advmod	9:advmod	Discourse=causal-cause:10->9:0
5	luggage	luggage	NOUN	NN	Number=Sing	9	nsubj	9:nsubj	Entity=(21-object-new-cf2-1-sgl
6	from	from	ADP	IN	_	8	case	8:case	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	8:det	Entity=(22-object-new-cf7-2-sgl
8	bus	bus	NOUN	NN	Number=Sing	5	nmod	5:nmod:from	Entity=22)21)
9	tripped	trip	VERB	VBN	Tense=Past|VerbForm=Part	3	advcl	3:advcl:when	_
10	pilgrims	pilgrim	NOUN	NNS	Number=Plur	9	obj	9:obj	Entity=(23-person-new-cf3-1-coref
11	at	at	ADP	IN	_	14	case	14:case	_
12	the	the	DET	DT	Definite=Def|PronType=Art	14	det	14:det	Entity=(24-place-new-cf5-3-sgl
13	eastern	eastern	ADJ	JJ	Degree=Pos	14	amod	14:amod	_
14	end	end	NOUN	NN	Number=Sing	10	nmod	10:nmod:at	_
15	of	of	ADP	IN	_	17	case	17:case	_
16	the	the	DET	DT	Definite=Def|PronType=Art	17	det	17:det	Entity=(25-object-new-cf6-2-sgl
17	wall	wall	NOUN	NN	Number=Sing	14	nmod	14:nmod:of	Entity=25)24)23)|SpaceAfter=No
18	,	,	PUNCT	,	_	19	punct	19:punct	_
19	causing	cause	VERB	VBG	VerbForm=Ger	9	advcl	9:advcl	Discourse=causal-result:11->10:0
20	a	a	DET	DT	Definite=Ind|PronType=Art	21	det	21:det	Entity=(26-object-new-cf4-2-sgl
21	bottleneck	bottleneck	NOUN	NN	Number=Sing	19	obj	19:obj	Entity=26)|SpaceAfter=No
22	.	.	PUNCT	.	_	3	punct	3:punct	_
