Consumption of filial piety: Refers to the consumption made by children or juniors to express their love for their parents or elders. Which of the following are not filial piety consumption? ["Xiao Zhao especially took out the money in Grandpa's passbook and bought grandpa's life insurance, Grandpa was very happy.", 'Liu Xiaoxian hires a babysitter for his grandmother over 80, and pays a babysitter salary of 1,400 yuan per month.', "On Teacher's Day, my classmate Gu went to the flower shop to buy a bouquet of flowers for the language teacher.", "On his parents' wedding anniversary, Xiao Wang would give his parents a congratulation."]