Concepts: airport, helicopter, park
A: Large and small planes and a helicopter are parked at the outskirts of an airport.
Concepts: letter, mathematician, mother
A: a letter from mathematician to his mother
Concepts: bike, buy, look
A: The women are looking to buy a new bike.
Concepts: bunch, fill, shelf
A:
A shelf filled with a bunch of suitcases and a surfboard