*SUPPORT*
IN: lug OUT: GREEN
IN: zup gazzer kiki OUT: RED BLUE RED BLUE
IN: gazzer tufa zup kiki OUT: BLUE RED RED BLUE RED RED
IN: lug kiki OUT: GREEN GREEN
IN: zup kiki dax gazzer OUT: RED RED BLUE
IN: zup lug OUT: RED GREEN
IN: lug tufa gazzer kiki OUT: GREEN BLUE BLUE GREEN BLUE BLUE
IN: lug wif wif tufa lug tufa zup OUT: GREEN PURPLE PURPLE GREEN GREEN RED RED
IN: gazzer wif tufa zup OUT: BLUE PURPLE RED RED
IN: wif wif kiki kiki OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: gazzer OUT: BLUE
IN: gazzer lug kiki OUT: BLUE GREEN BLUE GREEN
IN: gazzer wif kiki kiki OUT: BLUE PURPLE BLUE PURPLE BLUE PURPLE BLUE PURPLE
IN: wif tufa wif OUT: PURPLE PURPLE PURPLE

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

*GRAMMAR*
wif -> PURPLE 
 zup -> RED 
 lug -> GREEN 
 gazzer -> BLUE 
 x1 tufa u1 -> [x1] [u1] [u1] 
 x1 kiki -> [x1] [x1] 
 x1 dax x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 