*SUPPORT*
IN: tufa zup tufa OUT: YELLOW YELLOW
IN: tufa blicket zup wif OUT: YELLOW GREEN RED
IN: tufa zup wif OUT: GREEN YELLOW
IN: kiki zup wif OUT: GREEN PURPLE
IN: kiki blicket dax OUT: PURPLE RED RED
IN: blicket zup wif OUT: GREEN RED
IN: wif wif OUT: GREEN GREEN
IN: wif wif lug kiki OUT: GREEN GREEN PURPLE
IN: kiki OUT: PURPLE
IN: kiki dax OUT: PURPLE PURPLE
IN: tufa zup tufa lug blicket lug kiki OUT: YELLOW YELLOW RED PURPLE
IN: tufa tufa dax OUT: YELLOW YELLOW YELLOW
IN: wif OUT: GREEN
IN: blicket tufa dax lug tufa OUT: RED YELLOW YELLOW YELLOW

*QUERY*
IN: blicket dax lug tufa OUT: RED RED YELLOW
IN: tufa zup kiki lug wif OUT: PURPLE YELLOW GREEN
IN: kiki wif dax OUT: PURPLE GREEN GREEN
IN: tufa dax OUT: YELLOW YELLOW
IN: wif kiki zup wif OUT: GREEN GREEN PURPLE
IN: wif zup blicket OUT: RED GREEN
IN: tufa zup kiki OUT: PURPLE YELLOW
IN: kiki wif zup tufa lug wif OUT: PURPLE YELLOW GREEN GREEN
IN: kiki tufa tufa zup wif OUT: PURPLE YELLOW GREEN YELLOW
IN: blicket zup blicket OUT: RED RED

*GRAMMAR*
tufa -> YELLOW 
 blicket -> RED 
 wif -> GREEN 
 kiki -> PURPLE 
 u1 zup u2 -> [u2] [u1] 
 x1 lug u1 -> [x1] [u1] 
 u1 dax -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 