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

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

*GRAMMAR*
fep -> RED 
 blicket -> GREEN 
 kiki -> PINK 
 wif -> BLUE 
 x1 gazzer x2 -> [x2] [x1] [x2] [x1] 
 u1 tufa u2 -> [u2] [u1] 
 x1 dax x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 