Data cocked his head to the side, wearing a puzzled expression.

Data cocked his head to the side as if consulting an internal monitor.

Data cocked his head, confused by the choice of words.

Data cocked his head as he gave the matter further thought.

Data cocked his head, because it was obvious that they could.

Data cocked his head and said, "I am already different from the others."

Data cocked his head to one side and let the music flow through him.

Data cocked his head and remarked, "There is something that interests them in addition to food."

Data cocked his head as he considered the issue.

Data cocked his head to one side as he pondered the problem.