Done for english german italian spanish and dutch what is mentioned in …

…#60, dutch should be checked

src/main/java/org/monarchinitiative/phenopacket2prompt/output/impl/dutch/DutchBuildingBlocks.java

@@ -271,7 +271,7 @@ public String probandWasAMale() {
 
     @Override
     public String probandWasAnIndividual() {
-        return "De proband was een persoon";
+        return "De proband was een persoon van onbepaald geslacht en leeftijd";
     }
 
     @Override

src/main/java/org/monarchinitiative/phenopacket2prompt/output/impl/english/EnglishBuildingBlocks.java

@@ -266,7 +266,7 @@ public String probandWasAMale() {
 
     @Override
     public String probandWasAnIndividual() {
-        return "The proband was an individual";
+        return "The proband was an individual of unspecified sex and age";
     }
 
     @Override

src/main/java/org/monarchinitiative/phenopacket2prompt/output/impl/english/PpktIndividualEnglish.java

@@ -94,7 +94,7 @@ public String getIndividualDescription(PpktIndividual individual) {
 
 
     private String iso8601onsetDescription(Iso8601Age isoAge) {
-        return String.format("Disease onset occurred when the proband was %s",
+        return String.format("Disease onset occurred when the proband was a %s",
                 buildBlocks.yearsMonthsDaysOld(isoAge.getYears(), isoAge.getMonths(), isoAge.getDays()));
     }
 

src/main/java/org/monarchinitiative/phenopacket2prompt/output/impl/german/GermanBuildingBlocks.java

@@ -251,7 +251,7 @@ public String probandWasAFemale() {
 
     @Override
     public String probandWasAnIndividual() {
-        return "Der Proband war ein Individuum ohne angegebenes Geschlecht";
+        return "Der Proband war ein Individuum ohne angegebenes Geschlecht und Alter";
     }
 
     @Override