Given the task definition and input, reply with output. 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.

Statement: While it is the responsibility of the CIO to execute the specific responsibilities of his or her position, it became clear to us during our case studies that the successful CIO relies extensively on both vertical and horizontal relationships within the enterprise in order to carry out these responsibilities. Choices: 1. A CIO may rely on his friends. 2. A CIO relies on nobody but himself. 3. A CIO relies on relationships within the enterprise to follow through their responsibilities.
3