Which additional word in the sentence should be capitalized?

once we saw the constellation gemini in the sky on a cold winter night.

a.
night

b.
winter

c.
cold

d.
gemini

the theme of universality in town is expressed in ensuring all citizens upon the occurrence of a relevant social circumstance (sickness, unemployment, old age, employment injury, having many children, maternity, disability, loss of the breadwinner, etc.)

ha ahahahahah ahaha hah ha hahah ah ahahahahahaha ha ha haha a haha im a tro