xisyjbenunsla lujvo

n1 is the Christmas celebrated by s1 with activities s3.

Cf. xisyjbedetri, xisyjbecte, xislivnunsla, cmuxi'ojbetersla.

In notes:

xeksodva
x1 is is made of/contains/is a quantity of a black/very-dark colored carbonated beverage/soda of cola-flavor, of brand x2.
xislivnunsla
n1 is Easter celebrated by s1 with activities s3
xisyjbecte
n1 is Christmas Eve of Christmas Day n2 at location n3.
xisyjbedetri
d1 is Christmas Day at location d3 in calendar d4.