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

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

*GRAMMAR*
gazzer -> RED 
 fep -> YELLOW 
 kiki -> GREEN 
 lug -> PURPLE 
 u1 tufa u2 -> [u1] [u2] 
 u1 wif u2 -> [u1] [u2] [u1] [u2] 
 x1 zup x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 