instruction:
In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
question:
Metro Vancouver is a regional district in British Columbia , Canada .
answer:
Metro Vancouver is a political body and corporate entity designated by provincial legislation as one of the regional districts in British Columbia , Canada .


question:
A doorstop ( or door stop or doorstopper ) is a tool .
answer:
A doorstop ( also door stopper , door stop or door wedge ) is an object or device used to hold a door open or closed , or to prevent a door from opening too widely .


question:
Another feature of the haplodiploidy system is that lethal and deleterious alleles will be removed from the population rapidly because they will automatically be expressed in the males .
answer:

Another feature of the haplodiploidy system is that recessive lethal and deleterious alleles will be removed from the population rapidly because they will automatically be expressed in the males ( dominant lethal and deleterious alleles are removed from the population every time they arise , as they kill any individual they arise in ) .


