Learn Hardcore Latin: Discipulus prudens veritatem aperte dicit. - The wise student tells the truth openly.

discipulus — subject, nominative singular, student
prudens — adjective describing discipulus, nominative singular, wise / prudent
veritatem — direct object, accusative singular, truth
aperte — adverb, openly / plainly
dicit — verb, he/she says / speaks

So the core pattern is:

subject + adjective + object + adverb + verb

How do we know discipulus is the subject?

Because discipulus is in the nominative singular, which is the case normally used for the subject of a sentence.

Also, the verb dicit is third person singular, so it needs a singular subject, and discipulus fits that perfectly.

So discipulus is the one doing the action of dicit.

Why does prudens go with discipulus?

Because prudens is describing the student, not the truth.

Here it agrees with discipulus in and :