### CONTEXT (Previous Events):
<user_input timestamp="986.008155">.</user_input>
<system_output timestamp="986.019125">.</system_output>
<user_input timestamp="986.183041">.</user_input>
<system_output timestamp="986.198124">.</system_output>
<user_input timestamp="986.556102">
</user_input>
<system_output timestamp="986.573334">
[?2004l
</system_output>
<system_output timestamp="986.573888">[?2004h]0;demo@faiserver: /home/fai/configdemo@faiserver:/home/fai/config$ </system_output>
<user_input timestamp="986.947688">c</user_input>
<system_output timestamp="986.950007">c</system_output>
<user_input timestamp="987.121623">d</user_input>
<system_output timestamp="987.129718">d</system_output>
<user_input timestamp="987.238924"> </user_input>
<system_output timestamp="987.245714"> </system_output>
<user_input timestamp="987.517504">s</user_input>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="987.522117">s</system_output>

Answer: 987.522117, old event