### CONTEXT (Previous Events):
<system_output timestamp="538.716619">Get: 2 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 libxml-namespacesupport-perl all 1.12-2 [15.1 kB]
</system_output>
<system_output timestamp="538.71883">Get: 3 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 libxml-sax-base-perl all 1.09-3 [20.6 kB]
</system_output>
<system_output timestamp="538.720092">Get: 4 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 libxml-sax-perl all 1.02+dfsg-3 [59.4 kB]
</system_output>
<system_output timestamp="538.721315">Get: 5 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 libxml-libxml-perl i386 2.0207+dfsg+really+2.0134-1+b1 [333 kB]
</system_output>
<system_output timestamp="538.781592">Get: 6 http://127.0.0.1:3142/ftp.de.debian.org/debian bookworm/main i386 tex-common all 6.18 [32.5 kB]
</system_output>
<system_output timestamp="538.840275">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="538.866372">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="538.867526">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="538.918473">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="538.963083">Reading package lists...
</system_output>
<system_output timestamp="539.187332">Building dependency tree...
</system_output>
<system_output timestamp="539.188796">Reading state information...
</system_output>
<system_output timestamp="539.377856">Reading extended state information...
</system_output>
<system_output timestamp="539.395406">Initializing package states...
</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="539.943894">Writing extended state information...
</system_output>

Answer: 539.943894, old event