text: Q: What are useful visual features for distinguishing a lemur in a photo?
  A: There are several useful visual features to tell there is a lemur in a photo:
  - four-limbed primate
  - black, grey, white, brown, or red-brown
  - wet and hairless nose with curved nostrils
  - long tail
  - large eyes
  - furry bodies
  - clawed hands and feet
  
  Q: What are useful visual features for distinguishing a television in a photo?
  A: There are several useful visual features to tell there is a television in a photo:
  - electronic device
  - black or grey
  - a large, rectangular screen
  - a stand or mount to support the screen
  - one or more speakers
  - a power cord
  - input ports for connecting to other devices
  - a remote control
  
  
  Q: What are useful features for distinguishing a dog in a photo?
  A: There are several useful visual features to tell there is a dog in a photo:
  