An inventor decides that he wants more utensil choices when he orders an invention must be novel Thai takeout. He invents Forkchops, which consist of chopsticks with a spoon on one end of one of the chopsticks and a fork on one end of the other chopstick. Thus, when eating, a user can use either the chopstick ends or the spoon and fork ends.

The scenario best exemplifies which of the following requirements to receive a patent?