
Are the following mentions coreferent?:
<m> signed </m> in HP today announced that it has signed a definitive agreement to acquire EYP Mission Critical Facilities Inc. (EYP MCF), a consulting company specializing in strategic technology planning, design and operations support for large-scale data centers. 
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<m> signed </m> in Hp signs agreement to acquire EYP Mission Critical Facilities and incorporate energy - efficient - facilities expertise into HP's data center services November 12, 2007. As part of its efforts to support energy - efficient computing, HP Monday announced it has signed an agreement to acquire facilities consulting firm EYP Mission Critical Facilities for an undisclosed sum. 