The detrimental effect of ROS on spores was easy to measure.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	3:det	Discourse=joint-other_m:117->111:3|Entity=(163-abstract-new-cf2-3-sgl
2	detrimental	detrimental	ADJ	JJ	Degree=Pos	3	amod	3:amod	_
3	effect	effect	NOUN	NN	Number=Sing	9	nsubj	9:nsubj|11:nsubj:xsubj	_
4	of	of	ADP	IN	_	5	case	5:case	_
5	ROS	ROS	PROPN	NNPS	Abbr=Yes|Number=Plur	3	nmod	3:nmod:of	Entity=(138-substance-giv:act-cf1*-1-coref-Reactive_oxygen_species)
6	on	on	ADP	IN	_	7	case	7:case	_
7	spores	spore	NOUN	NNS	Number=Plur	3	nmod	3:nmod:on	Entity=(164-plant-new-cf3-1-coref)163)
8	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	9	cop	9:cop	_
9	easy	easy	ADJ	JJ	Degree=Pos	0	root	0:root	_
10	to	to	PART	TO	_	11	mark	11:mark	_
11	measure	measure	VERB	VB	VerbForm=Inf	9	xcomp	9:xcomp	SpaceAfter=No
12	.	.	PUNCT	.	_	9	punct	9:punct	_
