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 other metrics described in this appendix require that system development work be underway. Choices:  1. Some of the metrics are missing from the appendix. 2. An appendix was considered, but not prepared. 3. The appendix presents a description of the metrics.

3