Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Quirky subject
Table title:
Quirky Subject Hierarchy
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Subjecthood Tests </th><th class="highlighted"  colspan=1 rowspan=1 > Laz </th><th class="highlighted"  colspan=1 rowspan=1 > Icelandic </th><th class="highlighted"  colspan=1 rowspan=1 > Hindi </th><th class="highlighted"  colspan=1 rowspan=1 > German </th><th class="highlighted"  colspan=1 rowspan=1 > Basque </th></tr>
<tr> <td colspan=1 rowspan=1 > Reduced Relatives </td><td colspan=1 rowspan=1 > ✓ </td><td colspan=1 rowspan=1 > x </td><td colspan=1 rowspan=1 > x </td><td colspan=1 rowspan=1 > x </td><td colspan=1 rowspan=1 > x </td></tr>
<tr> <td colspan=1 rowspan=1 > PRO Control </td><td colspan=1 rowspan=1 > ✓ </td><td colspan=1 rowspan=1 > ✓ </td><td colspan=1 rowspan=1 > x </td><td colspan=1 rowspan=1 > x </td><td colspan=1 rowspan=1 > x </td></tr>
<tr> <td colspan=1 rowspan=1 > Subject-Object Anaphora Binding </td><td colspan=1 rowspan=1 > ✓ </td><td colspan=1 rowspan=1 > ✓ </td><td colspan=1 rowspan=1 > ✓ </td><td colspan=1 rowspan=1 > ✓ </td><td colspan=1 rowspan=1 > ✓ </td></tr>
</table>
Question:
What are quirky subjects governed by the QSH?
Answer:
The QSH governs quirky subjects in Icelandic, Hindi, German, Basque and Laz.