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<head>
<meta charset="UTF-8" />
<meta name="viewport"content="width=device-width,initial-scale=1.0"/>
<title>Document</title>
</head>
<body>
<h1>Conference Schedule</h1>
<table border="1" cellpadding="10">
<thead>
<tr>
<th>Time</th>
<th>Room 1</th>
<th>Room 2</th>
<th>Room 3</th>
<th>Room 4</th>
</tr>
</thead>
<tbody>
<tr>
<td rowspan="3">9:00 AM - 10:00 AM</td>
<td rowspan="2">Keynote</td>
<td>Session A</td>
<td>Session B</td>
<td rowspan="3">Session C</td>
</tr>
<tr>
<td>Session D</td>
<td>Session E</td>
</tr>
<tr>
<td>10:30 AM - 11:30 AM</td>
<td colspan="2">Session F</td>
</tr>
<tr>
<td>12:00 PM - 1:00 PM</td>
<td colspan="4">Lunch Break</td>
</tr>
<tr>
<td rowspan="2">1:00 PM - 2:00 PM</td>
<td>Session G</td>
<td rowspan="2">Session H</td>
<td>Session I</td>
<td>Session J</td>
</tr>
<tr>
<td>Session K</td>
<td>Session L</td>
<td>Session M</td>
</tr>
</tbody>
</table>
</body>
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OUTPUT:-
