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

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

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