Come along to the second show at midnight and the only obligation is to have a drink for €6.

Under state law, the only obligation on private contractors of public services is to provide medical insurance.

His only obligation is to obey what we tell him.

He had no right to do so as things stood now; his only obligation was that of the heart.

"The only obligation and duty I feel is toward my mother's wishes."

Our only obligation was to pay one of his deputies to operate the boat.

After that, their only obligation was taking two yearly phone calls - over an average of six years - from the researchers.

Our only obligation to the state is to pay taxes.

"Our only obligation was to run one relay together as a team," he said.

"My only obligation is to be good, not to play what the audience want."