<p>要完成这项任务,您可以使用一个名为<strong><a href="http://pypi.python.org/pypi/lxml/2.3" rel="nofollow">Lxml</a></strong>的Python库的帮助。在</p>
<ul>
<li>首先,下载并安装<strong><a href="http://pypi.python.org/pypi/lxml/2.3" rel="nofollow">Lxml</a></strong>。在</li>
</ul>
<p>现在尝试运行以下代码:</p>
<pre><code>from lxml.html import fromstring
html = '''
<font face="Garmond,Helvetica,Times" size="2" color="#330066">
<b>
Summary:
</b>
&nbsp;According to the complaint filed January 04, 2011, over a six-week period in December 2007 and January 2008, six healthcare related hedge funds managed by Defendant FrontPoint Partners LLC ("FrontPoint") sold more than six million shares of Human Genome Sciences, Inc. ("HGSI") common stock while their portfolio manager possessed material negative non-public information concerning the HGSI's clinical trial for the drug Albumin Interferon Alfa 2-a.
<br />
<br />
On March 2, 2011, the plaintiffs filed a First Amended Class Action Complaint, amending the named defendants and securities violations. On March 22, 2011, a motion for appointment as lead plaintiff and for approval of selection of lead counsel was filed. The defendants responded to the First Amended Complaint by filing a motion to dismiss on March 28, 2011.
<br />
<hr width="50%" align="left" />
INDUSTRY CLASSIFICATION:
<br />
<b>
SIC Code:
</b>
0000
<br />
<b>
Sector:
</b>
N/A
<br />
<b>
Industry:
</b>
N/A
<br />
</font>
'''
htmlElement = fromstring(html)
textContent = htmlElement.text_content()
result = textContent.split('\n\n Summary:\n\n')[1].split('\n\nINDUSTRY CLASSIFICATION:\n\n')[0]
print result
</code></pre>
<p>如果所需的分类出现在所需的分类之后:\n\n。在</p>