The stool is a Bristol type 4, appearing as a smooth sausage. It has a normal brown color. Overall, it indicates a healthy stool condition.

The stool condition is not good. It's a Bristol type 1, black in color, and blood is visible. You may need to improve your diet and increase your water intake.

The stool appears to be liquid, suggesting a less than ideal health condition. It corresponds to Bristol type 7 and has a very dark brown color. Increase your fluid intake and consult a doctor if necessary.