Tell me about the process of choosing a city for the 2016 Summer Olympics.  List all the cities that were on the shortlist and be detailed, but keep the response under 150 words. 
system
mujhe 2016 ke greeshmakaleen olympic ke liye ek shahar chunane kii prakriya ke bare main bataaen.un sabhi shaharon ko soochibaddh karen jo shortlist par the or vistrut hon, lekin pratikriya ko 150 shabdon ke tahat rakhen.
user
yah prakriya aadhikarik taur par 2007 main shuru hui. saat shaharon ne boliyaan prastut kin, lekin keval chaar ne shortlist banaai.ve shahar the: chicago, madrid, rio di janerio or tokyo.nirnay lene vaali samiti main 10 sadsy shaamil the or unhone 2009 main site par nirikshan kiya tha. antim vot 2 oktober, 2009 ko hua, jisamen madrid or rio di janerio ne ise matdaan ke antim daur main banaaya.us antim daur ke dauraan, rio di janerio ne 2016 ke greeshmakaleen olympic kii mejabani karne kaa adhikaar jeeta, 115 iosi sadasyon main se 66 voton ke saath vot karne ke liye paatr, jabaki madrid ko keval 32 vot mili.
assistant
<|system|>
</s>
<|user|>
mujhe 2016 ke greeshmakaleen olympic ke liye ek shahar chunane kii prakriya ke bare main bataaen.un sabhi shaharon ko soochibaddh karen jo shortlist par the or vistrut hon, lekin pratikriya ko 150 shabdon ke tahat rakhen.</s>
<|assistant|>
yah prakriya aadhikarik taur par 2007 main shuru hui. saat shaharon ne boliyaan prastut kin, lekin keval chaar ne shortlist banaai.ve shahar the: chicago, madrid, rio di janerio or tokyo.nirnay lene vaali samiti main 10 sadsy shaamil the or unhone 2009 main site par nirikshan kiya tha. antim vot 2 oktober, 2009 ko hua, jisamen madrid or rio di janerio ne ise matdaan ke antim daur main banaaya.us antim daur ke dauraan, rio di janerio ne 2016 ke greeshmakaleen olympic kii mejabani karne kaa adhikaar jeeta, 115 iosi sadasyon main se 66 voton ke saath vot karne ke liye paatr, jabaki madrid ko keval 32 vot mili.</s>
