You will be given a definition of a task first, then some input of the task.
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: The name Bosphorus is derived from the mythological character Io, who swam across the strait after being turned into a heifer by Zeus (Bosphorus means ford of the ox in Greek). Choices: 1. Zeus was the god of the gods, and had a insatiable sexual appetite. 2. Zeus turned Bosphorus into a young female cow, and the name means ford of the ox in Greek. 3. Who drowned himself in the strait after Hades turned him into a heifer.
Output:
2