请教一个长句英语语法it's a measure of the pain fuel subsidies are caus

请教一个长句英语语法
it's a measure of the pain fuel subsidies are causing South-East Asia's largest economy that the president,Susilo Bambang Yudhoyono,and legislators have agreed to stiff price rises less than a year before an election
这句话语法和逻辑结构是什么?

从一开始就在关注这个问题,一直不敢上贴.怀着学习探究的态度,认真结合楼下两位的分析,并查阅相关语法书籍之后,结论是：
全句是强调句式,强调主语,结构是：主谓宾宾补
现在来说说我的分析：
1、此句总体结构是强调句,并省略了关系代词that (没见过可省that?请见后面的引证）
全句主干是：
It's + 被强调部分 + (that) are causing South-East Asia's largest economy stiff price rises
less than a year before an election.
被强调部分(a measure of pain fuel subsidies名词短语作主语),去掉强调后主干是：
[A measure of pain fuel subsidies] [are causing] [South-East Asia's largest economy]
[stiff price rises less than a year before an election.]
2、去掉强调后,句子结构是
主语：A measure of pain fuel subsidies
谓语：are causing
宾语：South-East Asia's largest economy
(以上主谓宾分析与201104yangyang相同,对宾补我有不同看法：)
宾补：stiff price rises less than a year before an election
即我认为那个"to"并不含在宾补中,而是跟在agreed后一并归为定从当中.
为什么这么分?
(1)英语当中有:cause sb.sth.的用法.如：My car has caused me a lot of trouble.
我的汽车给我带来很多麻烦（引自《牛津高阶英汉双解词典 》,下称牛津）
(2)请注意stiff price rises,一个是stiff,另一个是rises（注意有s）
牛津中stiff一词有诸多词性：adj.adv.noun.verb.,
但作verb.时意思只有:"诈骗；不还钱；不给小费",不符合语境
另外,stiff本身应另有动词形式：stiffen
　　以上是为了说明此处的stiff不是动词,我认为是形容词adj.
而rises不是动词加s,而是名词复数.stiff price rises只是一个名词短语.
(3)所以全句应该是 sth .cause sb.sth.的结构.
3.、定语从句:that the president,Susilo Bambang Yudhoyono,and legislators have agreed to
先行词:economy（此处指“印度尼西亚”）
由上条分析可知,此时即不存在定从中少to/on的问题了.
例句：The committee has agreed to his arrangement．委员会已同意了他的安排.
(来源：英语常用短语词典)
以上是这个句式的语法和逻辑分析.
强调句可以省略that?
以前未见过强调句可以省that,所以拿不太准,为此,专门查了一下有关权威语法书籍,结论是：在非正式语体中有时是可以省略的.下面我简单摘录一下相关证据：
“要知道,在非正式语体中,在强调句中不仅可以省略充当宾语的关系代词,而且也可以省略充当主语的关系代词或充当状语的关系副词：It was at the dance (that) John wore a white suit last night.”(CGEL)" -------《英语常见问题解答大词典》赵振才著,296页.
“(6) I suspected it was on her orders you were bringing him here.强调结构中的that与who在非正式文体中可以省略,如上述例(6)”-----《高级英语语法》薄冰著,569页.