This radioactive heavier isotope may be new depending on the chemical element ( stable or unstable ) .
This new heavier isotope can be stable or unstable ( radioactive ) depending on the chemical element involved .

Are these two sentences paraphrases of each other? OPTIONS:
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- yes
no

He recorded cylinders for the Edison company before coming to the United States , and these were marketed in the U.S. to the German-speaking population .
He recorded cylinders for the Edison company before coming to the USA , and these were marketed to the German-speaking population in the United States .

Are these two sentences paraphrases of each other? OPTIONS:
- no
- yes
yes

Adults possibly feed on leaves of '' Corylus avellana '' , '' Quercus '' and '' Crataegus '' species , while larvae mainly feed in leaf litter .
Adults may feed leaves of species '' Corylus avellana '' , '' Quercus '' , and '' Crataegus '' , while larvae mainly feed in leaf litter .

Are these two sentences paraphrases of each other? OPTIONS:
- no
- yes
yes

This is a list of the various heads of the local governmental organisations that have served London , England .
This is a list of the local heads of various government organisations that have served London , England .

Are these two sentences paraphrases of each other? OPTIONS:
- no
- yes
no