Task: SWRL-based Rule Reasoning (ontology: Sciences/Biology)

Suppose an individual ?x satisfies: 2-methoxy-N-[(4S,7R,8S)-8-methoxy-4,7,10-trimethyl-11-oxo-2-oxa-5,10-diazabicyclo[10.4.0]hexadeca-1(12),13,15-trien-14-yl]benzenesulfonamide(?x). Which conclusion is one valid inferred conclusion?

A. monocarboxylic acid amide(?x)
B. ceramide(?x)
C. tertiary carboxamide(?x)
D. lactam(?x)

Answer: lactam(?x)