What is the relationship between 'Fletcher Building' and 'construction' in the context of the input sentence.
Options: parent organization, original broadcaster, industry, stock exchange

Fletcher Building (NZSE: FBU.NZ - news ) rose 1.98 percent to NZ$7.20, recovering further from a near three-year low of NZ$6.98 plumbed earlier in the week, when investors sold off the construction materials maker on concerns about an economic slowdown in China.
industry