options: m : ok , thank you for recommending this gift to me , i will buy it , m : thanks for helping me . i will mail this present to my mom . m : thanks a lot . it is my first time to mail package at a post office . m : ok. i want to buy a painting for my mom at this painting store .
article: f : how may i help you today young man ? it looks like you have a big package there . m : yes , ma'am , i need to mail this present to my grandma , but i do n't know how to do it . f : i can help you . just go way it over there , it will print out the information on a piece of paper , that tells you the weight of the package , and the price to mail it , and you can bring it back to me .