### CONTEXT (Previous Events):
<system_output timestamp="4590.479508">
fai_cd.iso                                                                                                                                                                                                                                                                                                                                                                                               76% 1458MB  20.9MB/s   00:21 ETA</system_output>
<system_output timestamp="4591.915756">
fai_cd.iso                                                                                                                                                                                                                                                                                                                                                                                               78% 1488MB  20.9MB/s   00:19 ETA</system_output>
<system_output timestamp="4592.91571">
fai_cd.iso                                                                                                                                                                                                                                                                                                                                                                                               80% 1522MB  22.2MB/s   00:17 ETA</system_output>
<system_output timestamp="4593.916056">
fai_cd.iso                                                                                                                                                                                                                                                                                                                                                                                               81% 1558MB  23.6MB/s   00:14 ETA</system_output>
<system_output timestamp="4594.915771">
fai_cd.iso                                                                                                                                                                                                                                                                                                                                                                                               83% 1589MB  24.4MB/s   00:12 ETA</system_output>
<system_output timestamp="4595.916029">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4596.941846">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4597.959357">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4598.960256">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="4599.96032">
fai_cd.iso                                                                                                                                                                                                                                                                                                                                                                                               93% 1769MB  29.0MB/s   00:04 ETA</system_output>
<system_output timestamp="4600.960283">
fai_cd.iso                                                                                                                                                                                                                                                                                                                                                                                               94% 1805MB  29.7MB/s   00:03 ETA</system_output>
<system_output timestamp="4601.973097">
fai_cd.iso                                                                                                                                                                                                                                                                                                                                                                                               96% 1835MB  29.7MB/s   00:02 ETA</system_output>
<system_output timestamp="4602.972377">
fai_cd.iso                                                                                                                                                                                                                                                                                                                                                                                               98% 1874MB  30.6MB/s   00:00 ETA</system_output>
<system_output timestamp="4603.701706">
fai_cd.iso                                                                                                                                                                                                                                                                                                                                                                                              100% 1901MB  27.6MB/s   01:08    
</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="4603.70942">[?2004hdemo@stephost:~$ </system_output>

Answer: 4603.70942, new event