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

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

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