Why do sunspots appear dark if their temperatures are over $4500$ K $?$

Multiple Choice

Sunspots are very dense and do not emit light.

Sunspots appear dark in relation to the rest of the photosphere, which has a much lower temperature.

Sunspots appear dark in relation to the rest of the photosphere, which has a higher temperature.

Sunspots are made of heavier elements than hydrogen and helium and emit light only in the ultraviolet end of the spectrum.