Name: query_possessive - get a string containing the possessive of a living

Syntax:
	string query_possessive()

Description:
	The query_possessive call returns a string containing the possessive of
	a living.

Return value:
	"its", if the living is neuter
	"his", if the living is male
	"her", if the living is female

Examples:
	string poss;
	poss=this_player()->query_possessive();

See also: living/query_gender