Problem: Wwo sentences:
Subsequently , some bondholders have filed suit to block the exchange offer .
Bondholders of Mirant Americas Generation subsequently filed suit against Mirant seeking to block the exchange offer .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
At best , Davydenko 's supporters were naively ignorant of tennis etiquette ; at worst , they cheated - yet went without penality from umpire Lars Graf .
At best , Davydenko 's supporters were naively ignorant to tennis etiquette ; at worst , they cheated yet went unpenalised by umpire Lars Graf .
Do they have the same meaning?

Answer: yes

Problem: Wwo sentences:
Further out the curve , the benchmark 10-year note US10YT = RR shed 25 / 32 in price , taking its yield to 3.26 percent from 3.17 percent .
Early Wednesday , the benchmark 10-year US10YT = RR had lost 16 / 32 in price , driving its yield up to 3.33 percent from 3.26 percent late Tuesday .
Do they have the same meaning?

Answer: no

Problem: Wwo sentences:
A successful attack could be launched within any type of document that supports VBA , including Microsoft Word , Excel or PowerPoint .
But this could happen with any document format that supports VBA , including Word , Excel or PowerPoint .
Do they have the same meaning?

Answer:
yes