Look at this.
What's that?
It's a …
That's right.
No, it isn't.
Try again.
black car
cockroach
ninja
pencil
an umbrella ※ a → an
tire
shinkansen
roll onion
Welsh onion
leopard
chikuwa
giraffe
frog
green ball
bean
chameleon
boxer
yo-yo
leaf
UFO
mosquito
feather
ballerina
a sheet of paper
※ two sheets of paper
※ three sheets of