Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Rank | Airline | Country | Remarks | Alliance |
| --- | --- | --- | --- | --- |
| 1.0 | TAM | Brazil | In process of fusion with Lan to form LATAM | Star Alliance |
| 2.0 | Gol | Brazil | N/A | N/A |
| 3.0 | LAN Airlines | Chile | In process of merger with Tam to form LATAM | Oneworld |
| 4.0 | Avianca | Colombia | It only includes Avianca Colombia | Star Alliance |
| 5.0 | Aerolíneas Argentinas | Argentina | Including Austral | Skyteam (2012) |
Question:
Name the airline for rank of 4
Answer:
Avianca