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

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

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