If somebody makes a wai to you, a slight bow alone is more than sufficient for ordinary occasions, and for business, most Thais will shake hands with foreigners instead of waiing anyway.
1	If	if	SCONJ	IN	_	3	mark	3:mark	Discourse=contingency-condition:33->34:0
2	somebody	somebody	PRON	NN	Number=Sing|PronType=Ind	3	nsubj	3:nsubj	_
3	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	advcl	16:advcl:if	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	5:det	Entity=(24-event-new-cf5-2-sgl
5	wai	wai	NOUN	NN	Number=Sing	3	obj	3:obj	Entity=24)
6	to	to	ADP	IN	_	7	case	7:case	_
7	you	you	PRON	PRP	Case=Acc|Number=Sing|Person=2|PronType=Prs	3	obl	3:obl:to	Entity=(6-person-giv:act-cf1*-1-ana)|SpaceAfter=No
8	,	,	PUNCT	,	_	3	punct	3:punct	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	11:det	Discourse=joint-other_m:34->20:3|Entity=(25-event-new-cf4-3-sgl
10	slight	slight	ADJ	JJ	Degree=Pos	11	amod	11:amod	_
11	bow	bow	NOUN	NN	Number=Sing	16	nsubj	16:nsubj	Entity=25)
12	alone	alone	ADV	RB	Degree=Pos	11	advmod	11:advmod	_
13	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	cop	16:cop	_
14	more	more	ADV	RBR	Degree=Cmp	16	advmod	16:advmod	_
15	than	than	ADP	IN	_	14	fixed	14:fixed	_
16	sufficient	sufficient	ADJ	JJ	Degree=Pos	0	root	0:root	_
17	for	for	ADP	IN	_	19	case	19:case	_
18	ordinary	ordinary	ADJ	JJ	Degree=Pos	19	amod	19:amod	Entity=(26-event-new-cf6-2-sgl
19	occasions	occasion	NOUN	NNS	Number=Plur	16	obl	16:obl:for	Entity=26)|SpaceAfter=No
20	,	,	PUNCT	,	_	21	punct	21:punct	_
21	and	and	CCONJ	CC	_	28	cc	28:cc	Discourse=joint-list_m:35->34:1
22	for	for	ADP	IN	_	23	case	23:case	_
23	business	business	NOUN	NN	Number=Sing	28	obl	28:obl:for	Entity=(27-abstract-new-cf7-1-sgl)|SpaceAfter=No
24	,	,	PUNCT	,	_	23	punct	23:punct	_
25	most	most	ADJ	JJS	Degree=Sup	26	amod	26:amod	Bridge=2<28|Entity=(28-person-acc:inf-cf3-2-sgl-Thai_people
26	Thais	Thai	PROPN	NNPS	Number=Plur	28	nsubj	28:nsubj	Entity=28)
27	will	will	AUX	MD	Number=Plur|Person=3|VerbForm=Fin	28	aux	28:aux	_
28	shake	shake	VERB	VB	VerbForm=Inf	16	conj	16:conj:and	_
29	hands	hand	NOUN	NNS	Number=Plur	28	obj	28:obj	_
30	with	with	ADP	IN	_	31	case	31:case	_
31	foreigners	foreigner	NOUN	NNS	Number=Plur	28	obl	28:obl:with	Entity=(3-person-giv:inact-cf2-1-coref)
32	instead	instead	SCONJ	RB	_	34	mark	34:mark	_
33	of	of	ADP	IN	_	32	fixed	32:fixed	_
34	waiing	wai	VERB	VBG	VerbForm=Ger	28	advcl	28:advcl:instead_of	_
35	anyway	anyway	ADV	RB	_	28	advmod	28:advmod	SpaceAfter=No
36	.	.	PUNCT	.	_	16	punct	16:punct	_
