 xmas_snow a snow. 
 xmas_snow 0 to stop the snow. 
 xmas_song a Christmas carols start. 
 xmas_song 0 end Christmas carols. 
 xmas_boom one night began,  fireworks business there. 
 xmas_boom 0 end of the night,  the end of the fireworks business. 
 Christmas off xmas_tree 0 
 xmas_tree a first stage of a Christmas tree. 
 xmas_tree 2 the second phase of a Christmas tree. 
 xmas_tree 3 third phase of a Christmas tree. 
 xmas_santa a Santa Claus began. 
 Santa Claus xmas_santa 0 ended. 
- Thanks to Painiger -