The naming customs of Taiwanese aborigines are distinct from, though influenced by, the majority Han Chinese culture of Taiwan. Prior to contact with Han Chinese, the Taiwanese aborigines named themselves according to each tribe's tradition. The naming system varies greatly depending on the particular tribes. Some tribes do not have family names, at least as part of the personal name.
There were an even number of tribes.
Determine if the sentence is true based on the text below:
There were an even number of tribes.

The naming customs of Taiwanese aborigines are distinct from, though influenced by, the majority Han Chinese culture of Taiwan. Prior to contact with Han Chinese, the Taiwanese aborigines named themselves according to each tribe's tradition. The naming system varies greatly depending on the particular tribes. Some tribes do not have family names, at least as part of the personal name.
Options: 

 - yes

 - it is not possible to tell

 - no
it is not possible to tell
Determine if the sentence is true based on the text below:
There were an even number of tribes.

The naming customs of Taiwanese aborigines are distinct from, though influenced by, the majority Han Chinese culture of Taiwan. Prior to contact with Han Chinese, the Taiwanese aborigines named themselves according to each tribe's tradition. The naming system varies greatly depending on the particular tribes. Some tribes do not have family names, at least as part of the personal name.
Options: 

 - yes

 - it is not possible to tell

 - no
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it is not possible to tell
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