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

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

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