x1=l1=s2 is an ambulance; an object producing sound x2=s1 and which has its name x3=l2 transformed by transformation x4=l3 (default: reflection) written on it
x1 is an inflammation experienced by/in body(-part) x2 of type/characterised by x3; x1 is a medical condition of x2 (part of body), consisting in congestion of the blood vessels, with obstruction of the blood current, and growth of morbid tissue; x2 [if it is a body part rather than a whole person/organism] is inflamed