This period begins and ends with two tragedies:
1	This	this	DET	DD	Number=Sing|PronType=Dem	2	det	_	_
2	period	period	NOUN	S	Number=Sing	3	nsubj	_	_
3	begins	begin	VERB	V	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	and	and	CCONJ	CC	_	5	cc	_	_
5	ends	end	VERB	V	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
6	with	with	ADP	E	_	8	case	_	_
7	two	two	NUM	N	NumType=Card	8	nummod	_	_
8	tragedies	tragedy	NOUN	S	Number=Plur	3	obl	_	SpaceAfter=No
9	:	:	PUNCT	FC	_	3	punct	_	_
