answer: #Person1# thinks it weird for #Person2# to use an umbrella on a hot day. #Person2# tells #Person1# the first use of umbrellas was for protection against the sun.
documents: #Person1#: Why do you have an umbrella with you? It's not supposed to rain today, is it?
  #Person2#: No, but it's supposed to be very hot. I'll use this umbrella to protect myself from the sun as soon as these clouds go away.
  #Person1#: I've never heard of using an umbrella for protection from the sun.
  #Person2#: Did you know that the Chinese invented the umbrella, and that it's first use was for protection against the sun, not the rain?
  #Person1#: I had no idea, you must get sunburned easily, huh?
  #Person2#: Oh, absolutely. I always get super red if I haven't put on sun cream.