Here are the labels for each of the statements:
1. **Observation**: The eggs of mice in plastic cages washed with harsh soap display problems during cell division that caused genetic abnormalities.
2. **Prediction**: If mice are exposed to elevated levels of bisphenol A, the frequency of genetic abnormalities in these mice will increase.
3. **Hypothesis**: The frequency of genetic abnormalities in mice is affected by exposure to bisphenol A.