op

• Adv

  1. up
  2. onto, up onto
  3. Used in separative verbs meaning “to go away” with rude connotations.

• Prep
• Adj

dat

• Det

  that (neuter); referring to a thing or a person further away.

• Pron
• Conj

gebied

• Noun

  1. area, region
  2. domain, subject area
  3. (obsolete) order, commandment

• Verb

is

• Verb

  third-person singular present indicative of zijn; is, equals

• Adv

het

• Article

  the (the neuter definite article)

• Pron

probleem

problem

niet

• Adv

  Not, no: used to express negation.

• Noun
• Verb

verbeterd

past participle of verbeteren