Complex sentence: Conceived as a "discussion play", the planned productions in Moscow and Leningrad were censored, re-censored, and finally indefinitely postponed due primarily to the graphic depiction of violence and unrest in Soviet society, as well as the play's sexual explicitness.
Split into simpler sentences: Conceived as a "discussion play", the planned productions in Moscow and Leningrad were censored, re-censored, and finally indefinitely postponed. Issues the censors picked up on were the graphic depiction of violence and unrest in Soviet society as well as the play's sexual explicitness.