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

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

*GRAMMAR*
wif -> PURPLE 
 kiki -> PINK 
 gazzer -> GREEN 
 lug -> RED 
 u1 fep x1 -> [x1] [u1] [x1] 
 u1 tufa x1 -> [u1] [x1] 
 x1 zup x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 