Complex sentence: The group is believed to be the political wing of the group Saoirse na hEireann (RIRA splinter group), the IRV have denied this though they say they recognise it as the only legitimate army.
Split into simpler sentences: The group is believed to be the political wing of the group Saoirse na hEireann (RIRA splinter group). The IRV have denied this though they say they recognise it as the only legitimate army.