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

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

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