Concepts: book, selection, shelf
A: the shelves in our room had a good selection of books
Concepts: canyon, cliff, flank, river
A: a river cuts through a deep canyon flanked by steep cliffs and vegetation
Concepts: exhibit, museum, painting
A: paintings have been exhibited in the museums and galleries all over the world
Concepts: crowd, motorcade, politician
A:
a motorcade with politician arrives to a huge crowd of supporters