The poison was in the ice, as she slowly drank her one drink, the melting ice released the poison.
I am a human. I crawl on 4 legs when I am a baby I walk on 2 legs when I am an adult, and I have a cane while walking when I am old.
Take any six pills and divide them into two groups of three each. Weigh putting the 3 pills on each side. If one side weigh's heavier than another, the heavier side consists of the poisonous pill. From the three pill in heavier side, weigh two pills. If one pill is heavier than another, the heavy one is poisonous pill. If both pill weigh same, the remaining third pill is poisonous. If all the 6 pill weigh the same, weigh the remaining two pill and heavy one is poisonous.
Mercury. The element looks shiny, silver, and is wet. The god Mercury has two wings but only uses them to run.