Read the given statements and select the correct option.
Statement 1: Inflammation of a skeletal joint may immobilise the movements of the joint.
Statement 2: This may be caused due to uric acid crystals in the joint cavity and ossification of articular cartilage.
A. both are true being reason is correct explanation
B. both true but reason is not correct explanation
C. assertion is true but reason is wrong
D. both are wrong