GENDER How to tell them apart.

MASCULINE	FEMININE
el niño the boy	la niña the girl
los niños the boys or the boys and girls	las niñas the girls
nosotros we (all male) or we (male and female)	nosotras we (all female)
el vicepresidente	la vicepresidente
un artista an artist	una artista an artist
el cuerpo the body (always masculine, even if the body is not)	una persona a person (always feminine, even if the person is not)
	la naturaleza nature
	la canción the song
	la humanidad humanity, mankind
	la libertad liberty
	la juventud youth, young people

NOTABLE EXCEPTIONS: la mano (the hand), el día (the day), el problema, el programa, el planeta