这句话结构是什么样子的,句子做什么成分

这句话很复杂的：简化：
The second set stems from the dramatic rise
其他的都是修饰语的.
The second set of more specific changes that have led to the present concen about the distribution of health-care resources（主）
第二类引起了目前对医疗资源分配问题的担忧的更具体变化
【The second set of more specific changes （that have led to the present concen about the distribution of health-care resources主语中的定语从句）（主）】
stems（谓）from 起源于
the dramatic rise in health costs in most OECD countries,accompanied by large-scale demographic and social changes which have meant,to take one example,that elderly people are now major (and relatively very expensive ) consumers of health-care resources.（宾）
【the dramatic rise（宾） in health costs（定） in most OECD countries,accompanied by large-scale demographic and social changes（定） which have meant（定）,to take one example（插入语）,that elderly people are now major (and relatively very expensive ) consumers of health-care resources（that-宾语从句）.（宾）】
绝大部分经合组织（OECD）成员国内医疗成本的飞速增长伴随着大规模的人口及社会变化,举例来说,这些就意味着老年人（相对非常高昂）目前就已经成为了医疗资源的主要消费群体.
第二类引起了目前对医疗资源分配问题的担忧的更具体变化起源于绝大部分经合组织（OECD）成员国内医疗成本的飞速增长,并伴随着大规模的人口及社会变化,举例来说,这些就意味着老年人（相对非常高昂）现在就是医疗资源的主要消费群体.