CONCEPTS: model, update, version

GEN: automobile make is going to unveil an updated version of automobile model this week

CONCEPTS: map, site, study

GEN: map and location of the sampled and studied sites

CONCEPTS: dog, plate, salad

GEN: Hot dogs in buns with fruit salad on a plate

CONCEPTS: astronaut, satellite, work

GEN:
astronaut works during a spacewalk outside satellite .