[USER] What is the weather in Kraków? Then send a short email with the answer to student@example.com.

<br />
<b>Fatal error</b>:  Uncaught RuntimeException: User not found. in /home/zavofrr/platform/ai_devs/w1/l2/tools.php:146
Stack trace:
#0 /home/zavofrr/platform/ai_devs/w1/l2/tools.php(215): call_api(Array, Array)
#1 /home/zavofrr/platform/ai_devs/w1/l2/tools.php(249): chat(Array, Array)
#2 {main}
  thrown in <b>/home/zavofrr/platform/ai_devs/w1/l2/tools.php</b> on line <b>146</b><br />