user: Name some Hip-Hop duos.

assistant: Hip-Hop has seen many duos, apart from rappers who frequently collaborate there are some which form a duo under a separate name some of these are:

Run the Jewels (El-P and Killer Mike)
Mob Depp (Prodigy and Havoc)
Black Starr (Talib Kweli and Mos Def)
Kids See Ghosts (Kanye West and Kid Cudi)
Bad meets Evil (Eminem and Royce da 5'9")
OutKast (Andre 3000 and Big Boi)

user: Classify the following as "animate" or "inanimate": humans, rocks, houses, plants, trees, cars, flowers, curtains, walls

assistant: Humans: Animate
Rocks: Inanimate
Houses: Inanimate
Plants: Animate
Trees: Animate
Cars: Inanimate
Flowers: Animate
Curtains: Inanimate
Walls: Inanimate

user: What is special about the number 1729?

assistant: 1729, known as the Hardy–Ramanujan number, is the smallest integer that can be expressed as the sum of the cubes of two unique pairs of integers.