CONCEPTS: clock, lamp, shelf

GEN: A shelf with a clock, lamp and various books.

CONCEPTS: boil, campfire, kettle

GEN: A man puts a kettle over a campfire and it boils.

CONCEPTS: classroom, pupil, study

GEN: teacher helping a male pupil studying at a desk in classroom

CONCEPTS: sea, shore, tree

GEN:
the sea near the shore with rocks and trees .