They screwed up by not accepting his surrender when he offered it.
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	2:nsubj	_
2	screwed	screw	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
3	up	up	ADP	RP	_	2	compound:prt	2:compound:prt	_
4	by	by	SCONJ	IN	_	6	mark	6:mark	_
5	not	not	PART	RB	_	6	advmod	6:advmod	_
6	accepting	accept	VERB	VBG	VerbForm=Ger	2	advcl	2:advcl:by	_
7	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	8:nmod:poss	_
8	surrender	surrender	NOUN	NN	Number=Sing	6	obj	6:obj	_
9	when	when	ADV	WRB	PronType=Int	11	advmod	11:advmod	_
10	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	11	nsubj	11:nsubj	_
11	offered	offer	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	6	advcl	6:advcl:when	_
12	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	11	obj	11:obj	SpaceAfter=No
13	.	.	PUNCT	.	_	2	punct	2:punct	_
