Complex sentence: Pakistan has a rich and diverse tradition of poetry that includes Urdu poetry, Sindhi poetry, Pashto poetry, Punjabi poetry, Saraiki poetry, Baluchi poetry, and Kashmiri poetry.
Split into simpler sentences: Pakistan has a rich and diverse tradition of poetry. This tradition partakes of Urdu poetry, Pakistan's national language and the regional languages of Pakistan including Sindhi poetry, Pashto poetry, Punjabi poetry, Saraiki poetry, Baluchi Poetry, and Kashmiri poetry.