(A letter is laying on the barrel.)

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First time

(There seems to be something inside...)

(...You can only describe the item inside the letter as... A long thingy-thing.)

Subsequent times

(The long thingy-thing is inside.)

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(You got the LONG THINGY-THING!)

(You put the thingy-thing in your pocket along with your Souvenirs.)

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If you don't know what you need to make a bomb

(Maybe it'll be useful later...?)

If you're making a bomb

(Don't you need this to make a bomb...?)

(It's a barrel.)

(Spices and other ingredients.)

(Some old architecture plans.)

Interaction text is generic.