With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Andy Dwyer barely appears as Ann Perkins's unemployed slacker boyfriend.
text_B: The Symphony No. 3 in E flat major -LRB- Opus 20 ; subtitled First of May -RRB- by Dmitri Shostakovich was first performed by the Leningrad Philharmonic Orchestra and Academy Capella Choir under Aleksandr Gauk on 21 January 1930 .. Dmitri Shostakovich. Dmitri Shostakovich. Leningrad Philharmonic Orchestra. Leningrad Philharmonic Orchestra. Academy Capella Choir. Academy Capella Choir. Aleksandr Gauk. Aleksandr Gauk. Similar to the Second Symphony , it is an experimental choral symphony in four continuous sections  :. Second Symphony. Symphony No. 2 ( Shostakovich ). choral symphony. choral symphony. symphony. symphony. Allegretto -- Allegro. Allegretto. Allegretto. Allegro. Allegro ( music ). Andante. Andante. Andante. Largo. Largo. Largo ( music ). Moderato  : ' V pervoye , Pervoye maya '. Moderato. Tempo. The symphony lasts around 25 to 30 minutes .. symphony. symphony. The finale sets a text by Semyon Isaakovich Kirsanov praising May Day and the revolution .. Semyon Isaakovich Kirsanov. Semyon Isaakovich Kirsanov. May Day. May Day. Interpretation is difficult  : in a letter to Boleslav Yavorsky , Shostakovich said that the work `` expresses the spirit of peaceful reconstruction '' ; on the other hand , most of the material preceding the finale is dark and sometimes sardonic in tone .
not_related.