### CONTEXT (Previous Events):
<user_input timestamp="14.481315">i</user_input>
<system_output timestamp="14.481698">i</system_output>
<user_input timestamp="14.759264">s</user_input>
<system_output timestamp="14.759675">s</system_output>
<user_input timestamp="14.89939">e</user_input>
<system_output timestamp="14.899984">e</system_output>
<user_input timestamp="15.078053">r</user_input>
<system_output timestamp="15.078556">r</system_output>
<user_input timestamp="15.415553">v</user_input>
<system_output timestamp="15.415991">v</system_output>
<user_input timestamp="15.516539">e</user_input>
<system_output timestamp="15.516934">e</system_output>
<user_input timestamp="15.712688">r</user_input>
<system_output timestamp="15.713164">r</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<user_input timestamp="15.927422">
</user_input>

Answer: 15.927422, old event