answer: #Person1# and #Person2# talk about the temperatures and the weathers in their cities in summer and winter. #Person1#'s city has moderate temperatures in summer and it is always rainy and icy in winter while #Person2#'s city has high temperatures in summer with many thunderstorms and barely snows in winter.
documents: #Person1#: What's the weather like in your city?
  #Person2#: In the summer it gets very hot. the temperature is often between 37 and 40 centigrade. when it is hot we often get rains. the winters are drier.
  #Person1#: The summer temperature usually often reaches about 20 or25 in my city. the rain falls mostly in the winter. and we often get snow.
  #Person2#: What are the temperatures in winter? in my city it is about 15 or 20 degrees.
  #Person1#: In winter temperature often falls to zero at night temperature can be below that. the streets are often icing in the morning. with high such temperatures you must get some thunderstorms.
  #Person2#: Yeah, we do. in the middle of summer there can be thunderstorms every day usually in the afternoon. i heard your city has a lot of fog, is that true?
  #Person1#: We do have a few foggy days in winter. but i would not say we have a lot of fogs. the sky are usually clearly over your city, are they?
  #Person2#: Yes, they are. like i said we have thunderstorms. but each one usually only last a few hours. then the skys are clear again.
  #Person1#: Have you ever had snow in your city?
  #Person2#: My grandmother said there was snow once when she was a child. but my parents and i only see it outside of our city.
  #Person1#: The river in my city sometime freeze over. people go ice-skating on it. on summer people go boating on the river. but few people go swimming because it is not very clean.
  #Person2#: As you know, my city is on the coast. the water is also not clean. but people still go swimming all year around. i prefer to sand bath on the beach when the weather is hot in sunny.