Concepts: exhibition, sculptor, sculpture
A: a couple is seen through the sculpture by sculptor at the exhibition .
Concepts: cloud, descend, valley
A: mountaineers descending a high alpine mountain to the waiting clouds and valley below
Concepts: pepper, plate, stuff
A: A plate with stuffed peppers and other vegetables.
Concepts: ecosystem, energy, organism, provide
A:
producers provide energy for other organisms in an ecosystem .