CONCEPTS: butterfly, cocoon, emerge

GEN: students are shown just after a monarch butterfly had emerged from its cocoon .

CONCEPTS: forest, stand, zebra

GEN: A herd of zebra standing in a forest.

CONCEPTS: ferry, passenger, quay

GEN: a passenger ferry lets off passengers beside a quay

CONCEPTS: cry, heart, tear

GEN:
sometimes you have to cry out a heart full of tears to make room for all the smiles