Truth assumptions

Truth Assumptions

Are the following statements factive or non-factive?

• I thought that today was your birthday.  Non-factive
• I forgot that today was your birthday. Factive 
• The teacher scolded me for not studying hard enough. Factive
• The teacher acknowledged that I hadn’t really studied. Factive
• The teacher realized the student had cheated. Factive
• The teacher assumed that the student had cheated. Non-factive