### CONTEXT (Previous Events):
<user_input timestamp="48.812917">c</user_input>
<system_output timestamp="48.82658">c</system_output>
<user_input timestamp="48.957205">o</user_input>
<system_output timestamp="48.967128">o</system_output>
<user_input timestamp="49.099515">m</user_input>
<system_output timestamp="49.109901">m</system_output>
<user_input timestamp="49.287496">m</user_input>
<system_output timestamp="49.29191">m</system_output>
<user_input timestamp="49.390288">i</user_input>
<system_output timestamp="49.392804">i</system_output>
<user_input timestamp="49.577828">t</user_input>
<system_output timestamp="49.595358">t</system_output>
<user_input timestamp="49.680386"> </user_input>
<system_output timestamp="49.697194"> </system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<user_input timestamp="49.904836">-</user_input>

Answer: 49.904836, old event