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

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

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