### CONTEXT (Previous Events):
<user_input timestamp="289.175833">s</user_input>
<system_output timestamp="289.195342">s</system_output>
<user_input timestamp="289.310658">u</user_input>
<system_output timestamp="289.329805">u</system_output>
<user_input timestamp="289.50652">d</user_input>
<system_output timestamp="289.52433">d</system_output>
<user_input timestamp="289.585402">o</user_input>
<system_output timestamp="289.602114">o</system_output>
<user_input timestamp="289.723096"> </user_input>
<system_output timestamp="289.736733"> </system_output>
<user_input timestamp="289.899381">a</user_input>
<system_output timestamp="289.912921">a</system_output>
<user_input timestamp="290.073135">p</user_input>
<system_output timestamp="290.090614">p</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<user_input timestamp="290.208385">t</user_input>

Answer: 290.208385, new event