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

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

*GRAMMAR*
dax -> PURPLE 
 tufa -> GREEN 
 kiki -> RED 
 zup -> YELLOW 
 u1 wif u2 -> [u2] [u2] [u1] [u2] 
 u1 gazzer x1 -> [x1] [u1] [x1] [x1] [x1] 
 x1 blicket x2 -> [x1] [x1] [x2] [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 