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

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

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