NOT IN and the NULL Trap

Return contacts whose city is not Pune and not Delhi, including those with an unknown (NULL) city. Order by id.

Table schema

Contacts(id INT PRIMARY KEY, name VARCHAR(20), phone VARCHAR(12), age INT, city VARCHAR(10))

Sample data

id | name | phone | age | city
1 | Anita Rao | 98200-11111 | 25 | Pune
2 | Arun Das | 98100-22222 | 31 | Delhi
3 | Bela Shah | 70000-33333 | 45 | Pune
4 | Chirag Rao | 98200-44444 | NULL | Mumbai
5 | Anil Roy | 99999-55555 | 19 | NULL