{% set parent = paragraph.getParentEntity() %}
{% if parent.field_column_display.0.value == 1 %}
  {% set image_style = '500_355' %}
{% else %}
  {% set image_style = '340_355' %}
{% endif %}
<div class="article-item">
  <a href="{{ content.field_widget_articles_grid_link[0]['#url'] }}" class="bg" data-img="{{ content.field_widget_articles_grid_image | field_target_entity.uri.value | image_style(image_style) }}">
    <div class="caption">
      <h3>{{ content.field_widget_articles_grid_title | field_value }}</h3>
      <h4>{{ content.field_widget_articles_grid_subt | field_value }}</h4>
      <p>{{ content.field_widget_articles_grid_tease | field_value }}</p>
    </div>
  </a>
</div>