*SUPPORT*
IN: kiki OUT: RED
IN: fep zup gazzer fep OUT: BLUE BLUE PINK
IN: kiki tufa kiki OUT: RED RED
IN: fep wif kiki tufa kiki tufa blicket OUT: GREEN RED BLUE RED BLUE
IN: fep wif kiki OUT: BLUE RED BLUE
IN: kiki kiki wif blicket OUT: RED RED GREEN RED
IN: kiki gazzer fep wif kiki tufa zup OUT: PINK BLUE RED BLUE RED
IN: fep tufa fep OUT: BLUE BLUE
IN: kiki fep OUT: RED BLUE
IN: fep zup wif zup OUT: BLUE PINK PINK PINK
IN: blicket gazzer fep OUT: BLUE GREEN
IN: blicket blicket wif kiki tufa kiki OUT: RED GREEN GREEN RED GREEN
IN: zup wif kiki OUT: PINK RED PINK
IN: zup zup wif zup OUT: PINK PINK PINK PINK

*QUERY*
IN: fep fep OUT: BLUE BLUE
IN: blicket wif kiki OUT: GREEN RED GREEN
IN: fep OUT: BLUE
IN: kiki wif fep tufa blicket OUT: GREEN RED BLUE RED
IN: zup wif fep OUT: PINK BLUE PINK
IN: zup OUT: PINK
IN: fep gazzer kiki tufa kiki tufa zup OUT: PINK RED RED BLUE
IN: kiki tufa blicket OUT: GREEN RED
IN: blicket OUT: GREEN
IN: blicket blicket blicket gazzer blicket gazzer kiki OUT: GREEN GREEN RED GREEN GREEN

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