Right before the color test, The subjects interacted with the robot, asking it a series of questions.

就在颜色测试之前，受试者与机器人互动，问了一系列问题。

If Zika is present, the card changes color. test results from an infected person can then be compared to another card to identify which form of the zika virus is present.

如果在场，颜色就会改变。然后，可以将感染者的颜色检测结果与另一张卡片进行比较，以确定存在哪种寨卡病毒。