Problema de sintaxis en single.php

<?php get_header(); ?>
<section id="primary">
  <div id="content" role="main">
  <div class="post-line">
<?php if (have_posts()) : while (have_posts()) : the_post(); ?>
   <article <?php post_class() ?> id="post-<?php the_ID(); ?>">    <header>     <h1><?php the_title(); ?></h1>     <?php include (TEMPLATEPATH . '/includes/meta.php' ); ?>    </header>
	
	<?php $sgtop = get_option('techcutive_showsingle'); if ($sgtop == "true") { ?>
	<div class="singleads">
	<?php include (TEMPLATEPATH . '/ads/ads336.php' ); ?>
	</div>
	<?php } ?>
    <div class="entry-content">     <span class="home-cat pad-10"><?php the_category(', ') ?></span>     <?php the_content(); ?>
	 
	<?php $sgend = get_option('techcutive_showsgend'); if ($sgend == "true") { ?>
	<div class="singleads">
	<?php include (TEMPLATEPATH . '/ads/ads336.php' ); ?>
	</div>
	<?php } ?>
	    </div>

		    <footer class="post-end single-end">
			 <div class="single-left">
			 <div class="legend">Comparte esta nota:</div>
              <ul class="single-social">
			    <li><a href="https://twitter.com/share" class="twitter-share-button" data-url="<?php the_permalink() ?>" data-text="Interesante Articulo:<?php the_title(); ?>" data-count="vertical">Tweet</a></li>
				<li><div class="fb-like" data-href="<?php the_permalink() ?>" data-send="false" data-layout="box_count" data-show-faces="false"></div></li>
				<li><div class="g-plusone" data-size="tall" data-href="<?php the_permalink() ?>"></div></li>
			  </ul>
			 </div>
			 <div class="single-right">
			   <div class="legend">Etiquetas:</div>
			   <?php the_tags('', ''); ?>
			 </div>
			  <div class="clear"></div>
			</footer>
		</article>
		
		<aside class="relatedposts">			  <?php$categories = get_the_category($post->ID);if ($categories) {	$category_ids = array();	foreach($categories as $individual_category) $category_ids[] = $individual_category->term_id;		$args=array(		'category__in' => $category_ids,		'post__not_in' => array($post->ID),		'showposts'=>5, // Number of related posts that will be shown.		'ignore_sticky_posts'=>1	);	$my_query = new wp_query($args);	if( $my_query->have_posts() ) {		echo '<span class="home_title mar-15">Quiza tambien le interese: </span><ul>';		while ($my_query->have_posts()) {			$my_query->the_post();		?>			<li><h2><a href="<?php the_permalink() ?>" rel="bookmark"><span class="related-arrow"></span><?php the_title(); ?></a></h2></li>		<?php		}		echo '</ul>';	}}wp_reset_query(); ?>
			  
		</aside>

	<?php comments_template(); ?>

	<?php endwhile; endif; ?>
   </div>
   </div><!-- content -->
</section><!-- primary -->
<?php get_sidebar(); ?>

<?php get_footer(); ?>

<div class="singleads">