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

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

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