Complete the code to produce "blue wolf" as an output. class pencil:
color = 'yellow'
hardness = 2
class pencilCase:
def __init__(self, color, art):
self. color = color
self. art = art
def __str__(self):
return self. color + " " + self. art
# main program
pencilA = pencil()

print (caseA)

A. caseA = ('blue', 'wolf')
B. caseA. pencilCase('blue', 'wolf')
C. caseA = pencilCase('blue', 'wolf')
D. caseA = pencilCase(self, 'blue', 'wolf')