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

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

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