options: m : really ? why do you think mathematics is less difficult ? m : really ? why do you think history is less difficult ? m : really ? why do you think literature should be canceled ? m : really ? why do you think literature is less difficult ?
article: m : according to the report , about 90 % of the students did quite well in history , but only 70 % in literature . f : well , i still think that history is a little more complicated than literature .