options: m : so you dreamt of your physics teacher last night ? m : maybe the new house you dreamt means you are lucky . m : i once dreamt of an apple tree but not a pear tree like you . m : you dreamt of an apple tree ? that 's weird .
article: m : how did you sleep last night ? f : ok , i guess . but i think all the studying i did for physics last night affected my dreams . m : what do you mean ? f : i mean that i dreamt about physics last night . m : dreamt about physics ? what did you dream about ? f : hmm ... i think i remember newton falling out of an apple tree , but i 'm not too sure .