*SUPPORT*
IN: lug tufa OUT: BLUE BLUE
IN: gazzer fep wif kiki wif OUT: YELLOW PURPLE GREEN GREEN
IN: wif kiki lug OUT: BLUE GREEN
IN: gazzer kiki wif OUT: GREEN YELLOW
IN: gazzer kiki lug OUT: BLUE YELLOW
IN: lug kiki fep OUT: PURPLE BLUE
IN: wif tufa OUT: GREEN GREEN
IN: lug tufa zup OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: fep kiki fep OUT: PURPLE PURPLE
IN: lug wif OUT: BLUE GREEN
IN: fep gazzer tufa OUT: PURPLE YELLOW YELLOW
IN: fep tufa OUT: PURPLE PURPLE
IN: wif lug wif OUT: GREEN BLUE GREEN
IN: wif kiki fep OUT: PURPLE GREEN

*QUERY*
IN: lug OUT: BLUE
IN: fep OUT: PURPLE
IN: wif fep tufa OUT: GREEN PURPLE PURPLE
IN: gazzer OUT: YELLOW
IN: wif OUT: GREEN
IN: gazzer fep OUT: YELLOW PURPLE
IN: wif zup OUT: GREEN GREEN GREEN
IN: lug zup OUT: BLUE BLUE BLUE
IN: gazzer kiki gazzer OUT: YELLOW YELLOW
IN: fep lug kiki wif OUT: PURPLE GREEN BLUE

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