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

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

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