CONCEPTS: help, library, smile, student, university

GEN: smiling lecturer helping his student in the library at the university

CONCEPTS: cheese, lettuce, meat, sandwich

GEN: The many sandwiches have meat, lettuce, tomato, and cheese.

CONCEPTS: area, enclose, giraffe, zoo

GEN: Two giraffe in the enclosed area of a zoo

CONCEPTS: bark, giraffe, tree

GEN:
A giraffe bending down to eat bark from a tree