题目选项分析

According to a 1990 law, Native American tribes are entitled to artifacts or remains removed from their lands, provided that the tribes can show a direct archaeological, geological, or historical link to the artifacts. Recently, the Umatilla tribes of Oregon and Washington laid claim to a set of skeletal remains more than 500 years old.

Each of the following, if true, strengthens the Umatilla's claim to the remains EXCEPT:

【选项】Tools found with the remains are similar to tools known to be used by the ancestors of the Umatilla.