The mixture will now curdle and this is what should be happening.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	2:det	Discourse=joint-sequence_m:80->70:1|Entity=(61-event-new-cf1-5-disc(59-substance-giv:act-cf2*-2-coref
2	mixture	mixture	NOUN	NN	Number=Sing	5	nsubj	5:nsubj	Entity=59)
3	will	will	AUX	MD	Number=Sing|Person=3|VerbForm=Fin	5	aux	5:aux	_
4	now	now	ADV	RB	_	5	advmod	5:advmod	_
5	curdle	curdle	VERB	VB	VerbForm=Inf	0	root	0:root	Entity=61)
6	and	and	CCONJ	CC	_	9	cc	9:cc	Discourse=evaluation-comment:81->80:0
7	this	this	PRON	DT	Number=Sing|PronType=Dem	9	nsubj	9:nsubj	Entity=(61-event-giv:act-cf1-1-coref)
8	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	cop	9:cop	_
9	what	what	PRON	WP	PronType=Rel	5	conj	5:conj:and	_
10	should	should	AUX	MD	VerbForm=Fin	12	aux	12:aux	_
11	be	be	AUX	VB	VerbForm=Inf	12	aux	12:aux	_
12	happening	happen	VERB	VBG	Tense=Pres|VerbForm=Part	9	acl:relcl	9:acl:relcl	SpaceAfter=No
13	.	.	PUNCT	.	_	5	punct	5:punct	_
