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

Which of the following classes is one valid superclass of 'primitive palate development'?

A. 1-alkyl-2-acetylglycerol O-acyltransferase activity
B. roof of mouth development
C. (S)-coclaurine-N-methyltransferase activity
D. 1-alkylglycerophosphocholine O-acetyltransferase activity

Answer: roof of mouth development