CONCEPTS: eclipse, moon, pass, shadow

GEN: lunar eclipse occurs when the moon passes through shadow .

CONCEPTS: bay, cross, dock, load, passenger

GEN: a ferry docked at a jetty to load passengers to cross bay

CONCEPTS: net, player, spike, volleyball

GEN: The player spikes the volleyball over the net.

CONCEPTS: boat, buy, shop

GEN:
we made the boat and bought the steering wheel at an antique shop .