Please explain the selection

Which of the following pieces of evidence suggest that the market is NOT strong-form efficient? Mark ALL such anwers. The dividend yield predicts the next year's return on the S&P 500 with near perfect accuracy. B/M is a measure of the risk of default. Small stocks tend to have higher returns than large cap stocks even though the risk is the same. Firms with high accruals have high stock returns but later when the accruals are not connected to actual profits, the stock returns are negative