<search> <h2>Filter results</h2> <label for="search1"> Search term </label> <input id="search1"></search>
<search aria-labelledby="search_heading"> <h2 id="search_heading">Filter results</h2> <label for="search2"> Search term </label> <input id="search2"></search>
<search aria-label="Filter results"> <h2>Search</h2> <label for="search3"> Search term </label> <input id="search3"></search>