*SUPPORT*
IN: kiki wif fep OUT: PURPLE PURPLE PINK
IN: gazzer wif gazzer zup fep OUT: YELLOW PURPLE YELLOW PURPLE YELLOW
IN: kiki tufa kiki OUT: PINK PINK PINK
IN: lug tufa gazzer OUT: YELLOW GREEN GREEN
IN: lug fep zup gazzer OUT: GREEN PURPLE YELLOW
IN: lug zup gazzer OUT: GREEN YELLOW
IN: gazzer gazzer zup fep OUT: YELLOW YELLOW PURPLE
IN: fep lug gazzer tufa gazzer OUT: PURPLE GREEN YELLOW YELLOW YELLOW
IN: lug OUT: GREEN
IN: lug wif lug tufa fep OUT: PURPLE GREEN GREEN PURPLE GREEN GREEN GREEN
IN: fep OUT: PURPLE
IN: lug zup kiki OUT: GREEN PINK
IN: fep tufa lug OUT: GREEN PURPLE PURPLE
IN: gazzer tufa fep OUT: PURPLE YELLOW YELLOW

*QUERY*
IN: gazzer wif fep tufa kiki OUT: PINK PURPLE PURPLE PINK PURPLE PURPLE YELLOW
IN: gazzer wif kiki tufa fep OUT: PURPLE PINK PINK PURPLE PINK PINK YELLOW
IN: fep wif fep OUT: PURPLE PURPLE PURPLE
IN: lug tufa kiki OUT: PINK GREEN GREEN
IN: gazzer OUT: YELLOW
IN: lug zup fep OUT: GREEN PURPLE
IN: gazzer wif lug tufa gazzer OUT: YELLOW GREEN GREEN YELLOW GREEN GREEN YELLOW
IN: fep lug zup fep OUT: PURPLE GREEN PURPLE
IN: kiki zup lug OUT: PINK GREEN
IN: gazzer lug zup kiki OUT: YELLOW GREEN PINK

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