What I have to add is that it is normal in France to have mixed gender groups of friends, there's nothing unusual in boys and girls being only friends, which is obviously what this girl wants from you.
1	What	what	PRON	WP	PronType=Rel	10	nsubj:outer	10:nsubj:outer	_
2	I	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	3	nsubj	3:nsubj|5:nsubj:xsubj	_
3	have	have	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	1	acl:relcl	1:acl:relcl	_
4	to	to	PART	TO	_	5	mark	5:mark	_
5	add	add	VERB	VB	VerbForm=Inf	3	xcomp	3:xcomp	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	cop	10:cop	_
7	that	that	SCONJ	IN	_	10	mark	10:mark	_
8	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	10	expl	10:expl	_
9	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	cop	10:cop	_
10	normal	normal	ADJ	JJ	Degree=Pos	0	root	0:root	_
11	in	in	ADP	IN	_	12	case	12:case	_
12	France	France	PROPN	NNP	Number=Sing	10	obl	10:obl:in	_
13	to	to	PART	TO	_	14	mark	14:mark	_
14	have	have	VERB	VB	VerbForm=Inf	10	csubj	10:csubj	_
15	mixed	mix	VERB	VBN	Tense=Past|VerbForm=Part	17	amod	17:amod	_
16	gender	gender	NOUN	NN	Number=Sing	17	compound	17:compound	_
17	groups	group	NOUN	NNS	Number=Plur	14	obj	14:obj	_
18	of	of	ADP	IN	_	19	case	19:case	_
19	friends	friend	NOUN	NNS	Number=Plur	17	nmod	17:nmod:of	SpaceAfter=No
20	,	,	PUNCT	,	_	10	punct	10:punct	_
21-22	there's	_	_	_	_	_	_	_	_
21	there	there	PRON	EX	_	22	expl	22:expl	_
22	's	be	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	parataxis	10:parataxis	_
23	nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	22	nsubj	22:nsubj	_
24	unusual	unusual	ADJ	JJ	Degree=Pos	23	amod	23:amod	_
25	in	in	SCONJ	IN	_	31	mark	31:mark	_
26	boys	boy	NOUN	NNS	Number=Plur	31	nsubj	31:nsubj	_
27	and	and	CCONJ	CC	_	28	cc	28:cc	_
28	girls	girl	NOUN	NNS	Number=Plur	26	conj	26:conj:and|31:nsubj	_
29	being	be	AUX	VBG	VerbForm=Ger	31	cop	31:cop	_
30	only	only	ADV	RB	_	31	advmod	31:advmod	_
31	friends	friend	NOUN	NNS	Number=Plur	22	advcl	22:advcl:in|36:csubj	SpaceAfter=No
32	,	,	PUNCT	,	_	31	punct	31:punct	_
33	which	which	PRON	WDT	PronType=Rel	36	nsubj	31:ref	_
34	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	36	cop	36:cop	_
35	obviously	obviously	ADV	RB	_	36	advmod	36:advmod	_
36	what	what	PRON	WP	PronType=Rel	31	advcl:relcl	31:advcl:relcl	_
37	this	this	DET	DT	Number=Sing|PronType=Dem	38	det	38:det	_
38	girl	girl	NOUN	NN	Number=Sing	39	nsubj	39:nsubj	_
39	wants	want	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	36	acl:relcl	36:acl:relcl	_
40	from	from	ADP	IN	_	41	case	41:case	_
41	you	you	PRON	PRP	Case=Acc|Person=2|PronType=Prs	39	obl	39:obl:from	SpaceAfter=No
42	.	.	PUNCT	.	_	10	punct	10:punct	_
