SimpleForms select with boolean and custom label

gistfile1.txt

= f.input :got_franch, label: false, as: :select, required: true, input_html: {class: "js-select2 selector default-input-contact b-gray f-13", data: {placeholder: ("")}}

= f.input :got_franch, as: :select,
                       collection: [ ['Si', true], ['No', false] ],
                       label: false,
                       required: false
                       input_html:  {
                        class: "js-select2 selector default-input-contact b-gray f-13" 
                       }