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

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

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