```json
{
	"no": ["no"],
	"yes": ["yes"]
}
```

Based on the given feature "n_p_ecg_p_09" which represents the presence of incomplete LBBB on ECG at the time of admission to the hospital, it is likely that this feature is related to chronic heart failure. 

For the target class "no" indicating absence of chronic heart failure, the only possible value for the feature is "no". 

For the target class "yes" indicating presence of chronic heart failure, the only possible value for the feature is "yes".