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

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

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