### CONTEXT (Previous Events):
<system_output timestamp="4362.180607">Copying the mirror to CD image
</system_output>
<system_output timestamp="4460.566578">Parallel mksquashfs: Using 4 processors
Creating 4.0 filesystem on /home/tmp/fai-cd.sIkS6r/LiveOS/squashfs.img, block size 131072.

[============================================-               ] 16700/22217  75%</system_output>
<system_output timestamp="4469.745199">
[===========================================================\] 22217/22217 100%</system_output>
<system_output timestamp="4469.771103">

Exportable Squashfs 4.0 filesystem, zstd compressed, data block size 131072
	compressed data, compressed metadata, compressed fragments,
	compressed xattrs, compressed ids

... [TRUNCATED 18 LINES] ...

Number of uids 1
	root (0)
Number of gids 1
	root (0)
</system_output>
<system_output timestamp="4471.560169">mkfs.fat 4.2 (2021-01-31)
</system_output>
<system_output timestamp="4472.555465">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4472.616896">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4508.68515">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4508.892275">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4508.919244">[?2004h]0;demo@faiserver: /home/faidemo@faiserver:/home/fai$ </system_output>
<user_input timestamp="4521.13907"/>
<system_output timestamp="4521.141344">[?2004l

</system_output>
<system_output timestamp="4521.142089">logout
</system_output>
<system_output timestamp="4521.328029">Connection to 172.16.0.17 closed.

</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="4521.331903">[?2004h</system_output>

Answer: 4521.331903, new event