ELA5, CSS, Sferrazza

Which of the following are metaphors?

The manager is a worm for what she did to Shelia.

Answer Yes. The manager is being compared to a worm without using "like" or "as."

The clouds were ice-cream castles in the sky.

Answer Yes. The clouds are being compared to ice-cream castles without using "like" or "as."

The clouds were like ice-cream castles in the sky.

Answer No. There is a comparison, but it uses "like" to connect the clouds and ice-cream castles. This makes it a simile.