Short guide:
Every time in a location you will see in top you health points (HP) and what's inside your backpack (BKPCK)
Then, there will be displayed list of actions (in square brackets, bold) and objects (after semicolon), with which you can perform an action First of all you should enter type of action. Then, if required, you would have to specify details (*)
Every time you are asked to enter something (after >) you can see possible options above. Type exactly the same option.
Commands (fight, talk, take, go) are case insensitive Locations are case sensitive
*If there is a single personage to talk to, to fight with or a single item to take, it won't ask specification Otherwise, after typing action, you should specify on whom/what perform an action