1. -0.499 is lesser than 0, hence negative. It lies between -0.25 and -0.75, so it implies a moderate correlation.
2. 0.86 is greater than 0, hence positive. It lies between 0.75 and 1, so it implies a high correlation.
3. -0.11 is lesser than 0, hence negative. It lies between -0.25 and 0, so it implies a low correlation.
4. 0.2 is greater than 0, hence positive. It lies between 0 and +0.25, so it implies a low correlation.