6. 4. 7. 5. In 2020, he received a 25-year prison sentence.
Wallpaper was invented in 2020.
( z0 invent :ARG1 ( z1 paper ) :time ( z2 date-entity :year 2020 ) )
(z0 / invent-01
    :ARG1 (z1 / paper)
    :time (z2 / date-entity
              :year 2020))
Wallpaper was invented in 2020 .
z0 :ARG1 z1
z0 :time z2
z2 :year 0