Complex sentence: A dispute arose between the NGOs and the ICRC over the latter's position to comply with Nigeria's demands, and in response the NGOs formally established their own relief flights operating out of Sao Tome.
Split into simpler sentences: A dispute arose between the NGOs and the ICRC over the latter's position to comply with Nigeria's demands. In response the NGOs formally established their own relief flights operating out of Sao Tome.