I perceived by this slowing down of its rising and setting that the work of the tidal drag was done.
1	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	2	nsubj	2:nsubj	Discourse=attribution-positive:59->60:0|Entity=(2-person-giv:inact-cf2-1-ana)
2	perceived	perceive	VERB	VBD	Mood=Ind|Number=Sing|Person=1|Tense=Past|VerbForm=Fin	0	root	0:root	_
3	by	by	ADP	IN	_	5	case	5:case	_
4	this	this	DET	DT	Number=Sing|PronType=Dem	5	det	5:det	Entity=(64-event-new-cf5-2-sgl
5	slowing	slowing	NOUN	NN	Number=Sing	2	obl	2:obl:by	_
6	down	down	ADP	RP	_	5	compound:prt	5:compound:prt	_
7	of	of	ADP	IN	_	9	case	9:case	_
8	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	9	nmod:poss	9:nmod:poss	Entity=(50-event-giv:inact-cf3-2,4-coref(40-object-giv:act-cf1*-1-ana)
9	rising	rising	NOUN	NN	Number=Sing	5	nmod	5:nmod:of	_
10	and	and	CCONJ	CC	_	11	cc	11:cc	_
11	setting	setting	NOUN	NN	Number=Sing	9	conj	5:nmod:of|9:conj:and	Entity=50)64)
12	that	that	SCONJ	IN	_	20	mark	20:mark	Discourse=evaluation-comment:60->52:3
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	14:det	Entity=(65-abstract-new-cf4-2-sgl
14	work	work	NOUN	NN	Number=Sing	20	nsubj	20:nsubj	_
15	of	of	ADP	IN	_	18	case	18:case	_
16	the	the	DET	DT	Definite=Def|PronType=Art	18	det	18:det	Entity=(66-event-new-cf6-3-sgl
17	tidal	tidal	ADJ	JJ	Degree=Pos	18	amod	18:amod	_
18	drag	drag	NOUN	NN	Number=Sing	14	nmod	14:nmod:of	Entity=66)65)
19	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	20	cop	20:cop	_
20	done	done	ADJ	JJ	Degree=Pos	2	ccomp	2:ccomp	SpaceAfter=No
21	.	.	PUNCT	.	_	2	punct	2:punct	_
