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

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

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