Problem: Dielectric elastomers ( DEs ) are large material systems that produce smart deformations .
Dielectric elastomers ( DEs ) are smart material systems which produce large strains .
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A: no

Problem: The show 's theme song was '' Life Goes On '' , written by Billy Vera and performed by John Bettis and George Tipton .
The show 's title song was '' Life Goes On '' , written by Billy Vera and performed by John Bettis and George Tipton .
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A: yes

Problem: In 1811 John murdered his half-brother Thomas .
John murdered his half-brother Thomas in 1811 .
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A:
yes