%div.well
  %form{:role=>"form", :action=> to("/predict"), :method=>"post"}
    %h3.help-block
      Please characterise a Gold nanoparticle
    #input
    - size = @example.size
    - @example.each_with_index do |v,id|
      - id = id + 1
      - key = v[0]
      - val = v[1]
      %div.form-group
        %h5= key
        %input.form-control{:id=>id,:type=>"hidden",:name=>"input_key_#{id}",:value=>key}
        %input.form-control{:id=>id,:type=>"text",:name=>"input_value_#{id}",:value=>val}
    %input.form-control{:id=>"example",:type=>"hidden",:name=>"size",:value=>size}
    %hr
    #predict
      %button.btn.btn-info{:type=>"submit"} predict