user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Rail gauge table' regarding 'Track gauge in Hong Kong'
Table Content:
| Rail gauge | Rail | Length (km) | Operator | Service period |
| --- | --- | --- | --- | --- |
| 610 mm (2 ft) | Sha Tau Kok Railway | 11.67 | Kowloon-Canton Railway Corporation | 1912 – 1928 |
| 914 mm (3 ft) | Hong Kong Disneyland Railroad | 1.5 | Hong Kong Disneyland | 2005 – present |
| 1,067 mm (3 ft 6 in) | Hong Kong Tramways | 30 | Hong Kong Tramways, Limited | 1904 – present |
| 1,432 mm (4 ft 8 3⁄8 in) | Kwun Tong line | 18.4 | MTR Corporation | 1979 – present |
| 1,432 mm (4 ft 8 3⁄8 in) | Tsuen Wan line | 16 | MTR Corporation | 1982 – present |
| 1,432 mm (4 ft 8 3⁄8 in) | Island line | 16.3 | MTR Corporation | 1985 – present |
| 1,432 mm (4 ft 8 3⁄8 in) | Tung Chung line | 31.1 | MTR Corporation | 1998 – present |
| 1,432 mm (4 ft 8 3⁄8 in) | Airport Express | 35.3 | MTR Corporation | 1998 – present |
| 1,432 mm (4 ft 8 3⁄8 in) | Tseung Kwan O line | 12.3 | MTR Corporation | 2002 – present |
| 1,432 mm (4 ft 8 3⁄8 in) | Disneyland Resort line | 3.8 | MTR Corporation | 2005 – present |
| 1,435 mm (4 ft 8 1⁄2 in) | East Rail line | 41.5 | MTR Corporation | 1910 – present |
| 1,435 mm (4 ft 8 1⁄2 in) | Light Rail | 36.2 | MTR Corporation | 1988 – present |
| 1,435 mm (4 ft 8 1⁄2 in) | West Rail line | 35.7 | MTR Corporation | 2003 – present |
| 1,435 mm (4 ft 8 1⁄2 in) | Ma On Shan line | 11.4 | MTR Corporation | 2004 – present |
| 1,435 mm (4 ft 8 1⁄2 in) | South Island line | 7.4 | MTR Corporation | 2016 – present |
| 1,435 mm (4 ft 8 1⁄2 in) | Guangzhou–Shenzhen–Hong Kong Express Rail Link Hong Kong section | 26 | MTR Corporation | 2018 – present |
| 1,520 mm (4 ft 11 27⁄32 in) | Peak Tram | 1.365 | The Peninsula Hotels | 1888 – present |


Question
Which gauge does MTR Corporation use in Hong Kong?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["The MTR uses a gauge of 1,432 mm (4 ft 8 ³⁄₈ in)."]