### CONTEXT (Previous Events):
<system_output timestamp="306.414665"> </system_output>
<user_input timestamp="306.468068">f</user_input>
<user_input timestamp="306.539057">i</user_input>
<system_output timestamp="306.623182">f</system_output>
<user_input timestamp="306.663837">l</user_input>
<system_output timestamp="306.698467">i</system_output>
<user_input timestamp="306.754468">e</user_input>
<system_output timestamp="306.817444">l</system_output>
<system_output timestamp="306.908765">e</system_output>
<user_input timestamp="306.993906"> </user_input>
<system_output timestamp="307.150182"> </system_output>
<user_input timestamp="307.222399">-</user_input>
<system_output timestamp="307.375869">-</system_output>
<user_input timestamp="307.461699">
</user_input>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="307.614061">
[?2004l
</system_output>

Answer: 307.614061, old event