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

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

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