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: The quality of water used for test organism culturing and for dilution water used in toxicity tests is extremely important. Choices:  1. The quality of water used for culturing and dilution is very important. 2. The quality of water used for culturing and dilution is very important, so it should come from drinking water. 3. The quality of water used for culturing and dilution doesn't really matter.

1