Context: A large roach crawled acroos the floor.  It went under the chair I was sitting in.
Speaker 1: A big brown roach crawled across the floor in my direction last night.
Speaker 2: Disgusting. Was it the flying variety?
Speaker 1: Yes, but this one didn't fly.  He just decided to go under the chair I was sitting in.
Speaker 2: Gross.  We have those here too.  Typically you only see them during the summer.