
Are the following mentions coreferent?:
<m> tsunami warning </m> in Indonesias - Aceh - USGS A powerful 6. 1 - magnitude earthquake struck the Indonesian province of Aceh with no tsunami warning issued. 
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<m> tsunami </m> in A powerful earthquake in Indonesia's Aceh province flattened buildings and sparked landslides Tuesday, killing at least five people and injuring dozens in a region devastated by the quake - triggered tsunami of 2004. 