Any help is greatly appreciated!!

You buy a stock from the capital market. If the capital market is semi-strong efficient, which of the following statements is NOT correct? C. a. Stock prices reflect all publicly available information. O b. The stock is fairly priced. You cannot earn any abnormal returns above the required return by trading on public information. d. Past stock prices can be used to predict future stock prices. e. The technical analysis of publicly available information will not lead to any abnormal returns