Complex sentence: The Pandya king had the Sinhalese king Mahinda IV as his ally and the Sri Lankan troops supported the Pandya army in the battle field c959 C.E. Parantaka II's armies also invaded Lanka to neutralise this support.
Split into simpler sentences: The Pandya king had the Sinhalese king Mahinda IV as his ally and the Sri Lankan troops supported the Pandya army in the battle field. C.959 C.E. Parantaka's armies also invaded Lanka to neutralise this support.