======================================================
<{HIV,Brain_Infection, Flu} –> Illness>.
<{Fever, Headache, Tiredness, Lack_Of_Energy, Weight_Loss, Vomiting, Chills, Decreased_Speech, Diarrhea} –> Symptom>.
<{HIV_Treatment, Brain_Infection_Treatment, Flu_Treatment} –> Treatment>.
<{Children, Adult, Senior} –> Age_Group>.
<{Male, Female} –> Gender>.

======================================================
<HIV –> [Fever]>.
<HIV –> [Tiredness]>.
<HIV –> [Lack_Of_Energy]>.
<HIV –> [Weight_Loss] >.
<HIV –> [Diarrhea]>.
=======================================================
<Brain_Infection –> [Fever]>.
<Brain_Infection –> [Tiredness]>.
<Brain_Infection –> [Headache]>.
<Brain_Infection –> [Vomiting]>.
<Brain_Infection –> [Chills]>.
<Brain_Infection –> [Decreased_Speech]>.
=======================================================
<Flu –> [Fever]>.
<Flu –> [Tiredness]>.
<Flu –> [Chills]>.
=======================================================
<Children –> [HIV]>. %0.1;0.85%
<Adult –> [HIV]>. %0.6; 0.74%
<Senior –> [HIV]>. %0.3; 0.67%
=======================================================
<Male –> [HIV]>. %0.4;0.86%
<Female –> [HIV]>. %0.6; 0.74%
=======================================================
<Children –> [Brain_Infection]>. %0.23;0.67%
<Adult –> [Brain_Infection]>. %0.32; 0.87%
<Senior –> [Brain_Infection]>. %0.45; 0.77%
=======================================================
<Male –> [Brain_Infection]>. %0.55;0.88%
<Female –> [Brain_Infection]>. %0.45; 0.73%
=======================================================
<Children –> [Flu]>. %0.42;0.85%
<Adult –> [Flu]>. %0.25; 0.74%
<Senior –> [Flu]>. %0.33; 0.67%
=======================================================
<Male –> [Flu]>. %0.32;0.86%
<Female –> [Flu]>. %0.68; 0.74%
=======================================================
<(*,HIV,{HIV_Treatment}) –> Suggested_Treatment>.
<(*,Brain_Infection,{Brain_Infection_Treatment}) –> Suggested_Treatment>.
<(*,Flu,{Flu_Treatment}) –> Suggested_Treatment>.

«$x –> [HIV]> =⇒ <$x –> [HIV_Treatment]».
«$x –> [Brain_Infection]> =⇒ <$x –> [Brain_Infection_Treatment]».
«$x –> [Flu]> =⇒ <$x –> [Flu_Treatment]».


=======================================================
<{John} –> Adult>.
<{John} –> Male>.

<{John} –> [Fever]>.
<{John} –> [Tiredness]>.

<John –> [John_Disease]>.
<{John_Disease} –> Illness>.
<John_Disease ↔ ?x>?