### CONTEXT (Previous Events):
<system_output timestamp="1895.547265">Reading state information...
</system_output>
<system_output timestamp="1895.74846">Reading extended state information...
</system_output>
<system_output timestamp="1895.769881">Initializing package states...
</system_output>
<system_output timestamp="1896.421325">Writing extended state information...
</system_output>
<system_output timestamp="1896.706625">Building tag database...
</system_output>
<system_output timestamp="1897.212115">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="1897.271836">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="1897.272889">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="1897.32272">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="1897.368105">Reading package lists...
</system_output>
<system_output timestamp="1897.598718">Building dependency tree...
</system_output>
<system_output timestamp="1897.601948">Reading state information...
</system_output>
<system_output timestamp="1897.802029">Reading extended state information...
</system_output>
<system_output timestamp="1897.823973">Initializing package states...
</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="1898.558188">Writing extended state information...
</system_output>

Answer: 1898.558188, old event