*SUPPORT*
IN: wif zup gazzer OUT: GREEN RED
IN: kiki zup wif OUT: RED BLUE
IN: gazzer wif zup lug OUT: GREEN PINK RED
IN: lug OUT: PINK
IN: lug lug zup wif OUT: PINK RED PINK
IN: gazzer zup kiki OUT: BLUE GREEN
IN: wif OUT: RED
IN: gazzer tufa gazzer OUT: GREEN GREEN GREEN
IN: kiki zup gazzer blicket OUT: GREEN BLUE GREEN BLUE
IN: gazzer zup wif OUT: RED GREEN
IN: gazzer zup lug OUT: PINK GREEN
IN: gazzer OUT: GREEN
IN: kiki OUT: BLUE
IN: wif blicket OUT: RED RED

*QUERY*
IN: kiki blicket OUT: BLUE BLUE
IN: wif tufa gazzer zup wif blicket OUT: RED GREEN RED RED RED GREEN RED RED
IN: kiki zup lug OUT: PINK BLUE
IN: wif wif zup lug OUT: RED PINK RED
IN: wif zup kiki OUT: BLUE RED
IN: wif zup lug OUT: PINK RED
IN: gazzer zup gazzer OUT: GREEN GREEN
IN: gazzer kiki blicket blicket OUT: GREEN BLUE GREEN BLUE GREEN BLUE GREEN BLUE
IN: lug lug wif OUT: PINK PINK RED
IN: gazzer zup lug blicket OUT: PINK GREEN PINK GREEN

*GRAMMAR*
wif -> RED 
 gazzer -> GREEN 
 kiki -> BLUE 
 lug -> PINK 
 u1 zup u2 -> [u2] [u1] 
 x1 blicket -> [x1] [x1] 
 x1 tufa x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 