75         $sex    = $individual->sex();
79                 return $this->conditionChild($sex);
82             return $this->conditionSingle($sex);
86             return $this->conditionDivorced($sex);
91             return $this->conditionWidowed($sex);
94         return $this->conditionMarried($sex);
114      * @param string $sex
118     private function conditionChild(string $sex): string  argument
120         if ($sex === 'F') {
130      * @param string $sex
134     private function conditionSingle(string $sex): string  argument
136         if ($sex === 'F') {
146      * @param string $sex
150     private function conditionDivorced(string $sex): string  argument
152         if ($sex === 'F') {
174      * @param string $sex
178     private function conditionWidowed(string $sex): string  argument
180         if ($sex === 'F') {
190      * @param string $sex
194     private function conditionMarried(string $sex): string  argument
196         if ($sex === 'F') {