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

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

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