But in mathematics you can build your own structures.
1	But	but	CCONJ	CC	_	6	cc	6:cc	Discourse=adversative-contrast_m:37->36:1
2	in	in	ADP	IN	_	3	case	3:case	_
3	mathematics	mathematics	NOUN	NN	Number=Sing	6	obl	6:obl:in	Entity=(13-abstract-giv:inact-cf2-1-coref-Mathematics)
4	you	you	PRON	PRP	Case=Nom|Number=Sing|Person=2|PronType=Prs	6	nsubj	6:nsubj	Entity=(31-person-giv:act-cf1*-1-ana)
5	can	can	AUX	MD	VerbForm=Fin	6	aux	6:aux	_
6	build	build	VERB	VB	VerbForm=Inf	0	root	0:root	_
7	your	your	PRON	PRP$	Case=Gen|Number=Sing|Person=2|Poss=Yes|PronType=Prs	9	nmod:poss	9:nmod:poss	Entity=(48-abstract-new-cf3-3-sgl(31-person-giv:act-cf1*-1-ana)
8	own	own	ADJ	JJ	Degree=Pos	9	amod	9:amod	_
9	structures	structure	NOUN	NNS	Number=Plur	6	obj	6:obj	Entity=48)|SpaceAfter=No
10	.	.	PUNCT	.	_	6	punct	6:punct	_
