crosswalk
train
plane
tram
What's this vehicle?
car
What's this place?
bus stop
railroad
a tractor
a submarine
a van
What's this vehicle?
taxi
motorcycle
What's this vehicle?
bus
a green light
an intersection
road
ship
a tow truck
a red light
What's this place?
train station
What's this action?
walk
boat
bike
helicopter
What's this place?
airport