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

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

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