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

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

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