Definition: In this task, you're given a statement and three sentences as choices. Your job is to determine which sentence can be inferred from the statement. Incorrect choices change the meaning in important ways or have details that are not mentioned in the statement. Indicate your answer as 1,2, or 3 corresponding to the choice number of the selected sentence.
Input: Statement: My mother, at the time of her death, and for some time before it, was taking a tonic containing strychnine. Choices:  1. My mother was drinking a tonic when she died. 2. My mother was not drinking anything when she died. 3. My mother was drinking a tonic when she died, but it isn't what killed her.

1