JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.6/angular.min.js"></script>
<div data-ng-app="myApp" ng-strict-di>
  <div data-ng-controller="myController">
    <hr>
    <select data-ng-model="currentElement" data-ng-options="element.name for element in elements" data-ng-change="updateDeeperOption()">
    </select>
    <select data-ng-model="deeperOption" data-ng-options="option.name for option in availableOptions track by option.value" data-ng-change="writeDeeperOptionToCurrentElement()">
    </select>
    <hr>
    <tt>{{currentElement}}</tt>
    <hr>

    <tt>{{elements}}</tt>
  </div>
</div>

JavaScript

var app = angular.module('myApp', [])

app.controller('myController', ['$scope', function($scope) {
  $scope.updateDeeperOption = function() {
    $scope.deeperOption = $scope.availableOptions.filter(isMatchingOption)[0];
  };

  $scope.writeDeeperOptionToCurrentElement = function() {
    $scope.currentElement.going.deeper.to.myOption = $scope.deeperOption.value;
  };

  $scope.availableOptions = [{
    'name': 'None',
    'description': 'Oh noo!',
    'value': 0
  }, {
    'name': 'Some',
    'description': 'At least a few',
    'value': 1
  }, {
    'name': 'Many',
    'description': 'The way it should be',
    'value': 2
  }, {
    'name': 'All',
    'description': 'Yeahh',
    'value': 3
  }];
  $scope.elements = [{
    'id': 1,
    'name': 'First Element',
    'going': {
      'deeper': {
        'to': {
          'myOption': 1
        }
      }
    }
  }, {
    'id': 2,
    'name': 'Second Element',
    'going': {
      'deeper': {
        'to': {
          'myOption': 2
        }
      }
    }
  }, {
    'id': 3,
    'name': 'Third Element',
    'going': {
      'deeper': {
        'to': {
          'myOption': 3
        }
      }
    }
  }];

  $scope.currentElement = $scope.elements[0];
  $scope.updateDeeperOption();

  function isMatchingOption(option) {
    return option.value === $scope.currentElement.going.deeper.to.myOption;
  }
}]);