Conditional commitment refers to a commitment made by one party to the other in a social event. Which of the following are conditional commitments? ['Xiaoqin was admitted to a key high school. Dad rewarded her for a week of traveling abroad.', 'The boss of a company promised to give a salary increase of 200 yuan per month to the outstanding employees.', 'Chen said to her daughter, "Mom will, as always, support you in applying for graduate school. ".', "Xiaoyu sets the rules for herself, refuses to attend a friend's party without losing 5 pounds."]