| IF space belongs to a human AND human is present | |
| → do not enter | |
| → announce presence | |
| IF space belongs to a human AND human is not present | |
| → wait outside | |
| IF space is public | |
| → movement allowed |
| IF space belongs to a human AND human is present | |
| → do not enter | |
| → announce presence | |
| IF space belongs to a human AND human is not present | |
| → wait outside | |
| IF space is public | |
| → movement allowed |