quant question

A company says that whether it increases its dividends depends on whether its earnings increase. From this we know: A) P(both dividend increase and earnings increase) = P(dividend increase). B) P(dividend increase or earnings increase) = P(both dividend and earnings increase). C) P(earnings increase | dividend increase) is not equal to P(earnings increase). D) P(dividend increase | earnings increase) is not equal to P(earnings increase).

c

it was pretty simple…I miss read the question… thnx for help