The correct answer is B.
OBJ-2.1: This is part of the agile manifesto. We are uncovering better ways of developing software by doing it and helping others do it. Through this work we have come to value: Individuals and interactions over processes and tools; Working software over comprehensive documentation; Customer collaboration over contract negotiation; and Responding to change over following a plan. That is, while there is value in the items on the right, we value the items on the left more.