RULES

(r1
 IF 
 (the patient is FATIGUED)
 (the patient has a FEVER)
 THEN
 (the DIAGNOSIS of the patient is COLD))

(r2
 IF
 (the patient has MUSCLE aches)
 (the patient has NORMAL temperature)
 THEN
 (the DIAGNOSIS of the patient is FLU))

(r3
 IF
 (the patient has a spotted RASH)
 (the patient is not IMMUNE to measles)
 THEN
 (the DIAGNOSIS of the patient is MEASLES))

(r4 
 IF 
 (the patient SLEEPS a lot)
 (the patient avoids EXERCISE)
 THEN
 (the patient is FATIGUED))

(r5
 IF
 (the temperature of the patient is GREATER than 101)
 THEN
 (the patient has a FEVER))

(r6
 IF
 (the patient has not been VACCINATED for measles)
 (the patient has not had measles PREVIOUSLY)
 THEN
 (the patient is not IMMUNE to measles))