{:sid => "S1", :name => "Smith", :status => 20, :city => "London"}
{:sid => "S3", :name => "Blake", :status => 30, :city => "Paris"}
{:sid => "S4", :name => "Clark", :status => 20, :city => "London"}
{:sid => "S5", :name => "Adams", :status => 30, :city => "Athens"}