*SUPPORT*
IN: kiki wif kiki fep dax tufa OUT: RED RED GREEN BLUE
IN: gazzer blicket tufa OUT: BLUE BLUE BLUE PURPLE
IN: fep wif tufa OUT: GREEN BLUE
IN: tufa wif kiki blicket tufa dax tufa OUT: BLUE BLUE BLUE BLUE RED BLUE
IN: fep gazzer blicket fep OUT: GREEN GREEN GREEN GREEN PURPLE
IN: gazzer wif kiki tufa wif gazzer OUT: PURPLE RED BLUE PURPLE
IN: fep wif fep tufa kiki OUT: GREEN GREEN BLUE RED
IN: fep wif fep tufa blicket kiki dax gazzer OUT: GREEN GREEN RED RED RED BLUE PURPLE
IN: tufa wif kiki blicket fep OUT: BLUE GREEN GREEN GREEN RED
IN: tufa blicket kiki OUT: RED RED RED BLUE
IN: kiki blicket gazzer OUT: PURPLE PURPLE PURPLE RED
IN: tufa kiki blicket tufa OUT: BLUE BLUE BLUE BLUE RED
IN: fep OUT: GREEN
IN: kiki tufa blicket fep OUT: RED GREEN GREEN GREEN BLUE

*QUERY*
IN: tufa OUT: BLUE
IN: fep dax gazzer OUT: GREEN PURPLE
IN: tufa wif gazzer blicket fep OUT: BLUE GREEN GREEN GREEN PURPLE
IN: kiki fep kiki OUT: RED GREEN RED
IN: kiki wif fep wif gazzer fep blicket tufa OUT: RED GREEN PURPLE BLUE BLUE BLUE GREEN
IN: kiki tufa OUT: RED BLUE
IN: kiki fep blicket kiki OUT: RED RED RED RED GREEN
IN: tufa wif tufa kiki OUT: BLUE BLUE RED
IN: kiki blicket tufa OUT: BLUE BLUE BLUE RED
IN: tufa wif tufa OUT: BLUE BLUE

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