1: https://docs.google.com/document/d/1PkjsnrCHacnX57QJ88_9cSfZvX2AC_YWqUu6FDiENCM/edit?usp=sharing
2: https://docs.google.com/document/d/1tGoWZdBnVZOPq7cXQ_wiity08UfXtjMcaNbx_C1c7B0/edit?usp=sharing
short but complete answers, please. 48 hours deadline
