The sign on the birds' cage is ingeresting.(对划线部分提问)

问题描述:

The sign on the birds' cage is ingeresting.(对划线部分提问)
The siThe sign on the birds' cage is ingeresting.(对划线部分提问)划线部分:on the birds' cage

楼主拼写错误:ingeresting应该是interesting
Which sign is interesting?