Nevada - page.php

The code from my page.php file is:

<?php
/**
 * The template for displaying all pages.
 *
 * lambda framework v 2.1
 * by www.unitedthemes.com
 * since lambda framework v 1.0
 */

global $lambda_meta_data;

$meta_sidebar = $lambda_meta_data->get_the_value('sidebar');
$meta_sidebar = (!empty( $meta_sidebar )) ? $meta_sidebar : get_option_tree( 'select_sidebar' );

//includes the header.php
get_header();

//includes the template-part-slider.php
get_template_part( 'template-part', 'slider' );

//includes the template-part-teaser.php
get_template_part( 'template-part', 'teaser' );

//set column layout depending if user wants to display a sidebar
if($meta_sidebar != UT_THEME_INITIAL.'sidebar_none') {

	lambda_before_content($columns='');

} elseif($meta_sidebar == UT_THEME_INITIAL.'sidebar_none') {

	lambda_before_content($columns='sixteen');

}

//the content loop
get_template_part( 'loop', 'page' );

//content closer - this function can be found in functions/theme-layout-functions.php line 56-61
lambda_after_content();

//include the sidebar-page.php
if(empty($columns))
get_sidebar();

//includes the footer.php
get_footer();
?>