Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'sesterviolene D'?

A. A sesterterpene that is produced by a sesterterpene synthase from Streptomyces violens
B. A sesterterpene that is produced by a sesterterpene synthase from Kitasatospora viridis.
C. A diterpene produced by a bacterial diterpene synthase from Allokutzneria albata.
D. A sesquiterpene consisting of a bicyclo[3.1.1]hept-2-ene skeleton substituted at positions 2 and 6 by methyl groups and at position 6 by a 4-methylpent-3-en-1-yl group.

Answer: A sesterterpene that is produced by a sesterterpene synthase from Streptomyces violens