Classify each of the following sentences as either syntactically incorrect, syntactically correct but meaningless, meaningful but untrue, or true. Where in the understanding process is each of these problems detected?

Colorless green ideas sleep furiously.

Fruit flies like a banana.

Dogs the bite man a.

George Washington was the fifth president of the USA.

This exercise is easy.

I want to be under the sea in an octopus’s garden in the shade.