| 13 | The man and his dog are swimming. | STABLE |  |   | 
| 12 | The boy has eaten dinner. | DEV |  |   | 
| 10 | They are not very good at chess. | STABLE |  |   | 
| 8 | She has taken her medicine. | STABLE |  |   | 
| 6 | I have eaten dinner. | STABLE |  |   | 
| 4 | She likes pizza. | STABLE |  |   | 
| 2 | The boys are in the yard. | STABLE |  |   | 
| 0 | He wins the race. | STABLE |  |   |