### CONTEXT (Previous Events):
<system_output timestamp="265.281187">[&gt;4;1m[?2004h[?1004h</system_output>
<system_output timestamp="265.282975">[196d[?25lFor information about GNU Emacs and the GNU system, type [40mC-h C-a[39;49m.[K[H
[?12l[?25h[?12;25h</system_output>
<system_output timestamp="265.471447">[196d[?25lSetting up indent for shell type bash[K[H
[?12l[?25h[?12;25h</system_output>
<system_output timestamp="265.472202">[196d[?25lIndentation variables are now local.[K[H
[?12l[?25h[?12;25h</system_output>
<system_output timestamp="265.473215">[196;13H[?25lsetup for shell type bash[H
[?12l[?25h[?12;25h</system_output>
<system_output timestamp="265.911341">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="265.911493">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<system_output timestamp="265.911969">... [TRUNCATED TO SAVE SPACE] ...</system_output>
<user_input timestamp="306.356015">[O</user_input>
<system_output timestamp="306.359976">[196d[K[2d</system_output>
<user_input timestamp="643.464152">[I</user_input>
<user_input timestamp="645.692825"/>
<user_input timestamp="646.420915"/>
<system_output timestamp="646.431996">[196d[K[?1004l[?2004l[&gt;4m[?1l&gt;[?12l[?25h[?1049l[23;0;0t[39;49m
</system_output>

### TARGET LINE (Extract and Classify THIS Timestamp):
<system_output timestamp="646.671611">[?2004h]0;demo@faiserver: /home/fai/config/scripts/FAIBASEdemo@faiserver:/home/fai/config/scripts/FAIBASE$ </system_output>

Answer: 646.671611, new event