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

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

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