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

*QUERY*
IN: gazzer zup wif OUT: BLUE YELLOW YELLOW BLUE
IN: wif zup wif fep OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif fep OUT: BLUE BLUE
IN: lug zup wif fep OUT: BLUE PINK PINK BLUE BLUE PINK PINK BLUE
IN: gazzer zup blicket OUT: GREEN YELLOW YELLOW GREEN
IN: gazzer blicket zup lug OUT: YELLOW PINK GREEN GREEN PINK
IN: blicket zup lug OUT: PINK GREEN GREEN PINK
IN: gazzer tufa OUT: YELLOW YELLOW
IN: wif zup wif OUT: BLUE BLUE BLUE BLUE
IN: lug gazzer zup gazzer OUT: PINK YELLOW YELLOW YELLOW YELLOW

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