Fill in the blank (_) in the following sentence from the following choices.
Sentence: The bird could lift a string with its beak but not a chain because the _ was light.

Choice 1: The bird could lift a string with its beak but not a chain because the chain was light.
Choice 2: The bird could lift a string with its beak but not a chain because the string was light.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2. The sentence should read "because the string was light." The error is in the blank, not the word "chain." The sentence is