Complex sentence: The Gubbi Gubbi Aboriginal people whose land will be effected by the dam have offered an agreement by the Queensland government worth more than $1 million the Gubbi Gubbi people flatly refused.
Split into simpler sentences: The Gubbi Gubbi Aboriginal people whose land will be effected by the dam. When offered an agreement by the Queensland government worth more than $1 million the Gubbi Gubbi people flatly refused.