Joe is from a Baptist background. Sarah is from a Lutheran background. They are arguing about whether or not it is "right" to baptize infants into the Christian faith. Even though they disagree on infant baptism, their argument is based on their common belief that the Christian faith is truth. This feature that underlies their argument illustrates what element of culture?
a. Culture as system
b. Culture as shared ideas
c. Culture as praxis
d. Culture as information
Answer: B