| When playing the ultimatum game, be aware that there's a neural basis to economic decision making. |
| Instead, he issued an ultimatum to the people who are suffering under this occupation. |
| The workers were sacked a week later because they ignored an ultimatum ordering them back to work. |
| At issue was an ultimatum issued for a crackdown on the privatization of health care. |
| The editorial amounts to an ultimatum to carry out the bidding of the extreme right. |
| He reacted by demanding that he should not be confronted with an ultimatum. |
