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

*QUERY*
IN: wif OUT: YELLOW
IN: tufa blicket tufa OUT: BLUE BLUE BLUE
IN: wif kiki OUT: YELLOW PINK
IN: wif tufa fep OUT: YELLOW BLUE YELLOW BLUE YELLOW BLUE
IN: wif dax wif OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: wif gazzer fep OUT: YELLOW GREEN YELLOW GREEN YELLOW GREEN
IN: tufa fep OUT: BLUE BLUE BLUE
IN: tufa gazzer blicket kiki OUT: PINK BLUE GREEN BLUE GREEN
IN: gazzer wif OUT: GREEN YELLOW
IN: kiki tufa fep OUT: PINK BLUE PINK BLUE PINK BLUE

*GRAMMAR*
tufa -> BLUE 
 gazzer -> GREEN 
 wif -> YELLOW 
 kiki -> PINK 
 x1 blicket u1 -> [u1] [x1] [x1] 
 x1 fep -> [x1] [x1] [x1] 
 x1 dax x2 -> [x2] [x1] [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 