If A and B are two fuzzy sets with membership functions: a( ) ={0.2,0.5.,0.6,0.1,0.9} b ( )= {0.1,0.5,0.2,0.7,0.8} then the value of a b will be

• A. {0.2,0.5,0.6,0.7,0.9}
• B. {0.2, 0.5,0.2, 0.1,0.8}
• C. {0.1, 0.5, 0.6, 0.1,0.8}
• D. {0.1, 0.5, 0.2, 0.1,0.8}