Gibbons are apes in the family Hylobatidae -LRB- -RRB- .
Gibbon are type of apes in the family Hylobatidae .
Gibbon are type of apes in the family Hylobatidae .
これをもっとシンプルにしてください: Gibbons are apes in the family Hylobatidae -LRB- -RRB- . 出力: