Packages

Keanu has been working with internal packages on his project. Below you can see the structure of his project:

.
├── main
│   └── main.go
└── phrases
    ├── goodbyes
    │   └── goodbyes.go
    ├── greetings
    │   ├── formal
    │   │   └── formal.go
    │   ├── greetings.go
    │   └── internal
    │       └── informal
    │           └── informal.go
    └── phrases.go

What packages within this project can import an internal package?