AngularJS Show element based on form field selected

HTML

<div ng-app="myApp" ng-controller="MyCtrl">
  <div class="oneHalf">
         
         <label class="control-label">Motive :</label>
         <input type="number" ng-model="payment.cash" ng-focus="addItem()" />
         
         <br>
    
         <label class="control-label">Employment Type :</label>
         <input type="number" ng-model="payment.check" ng-focus="addItem()" />
         
         <br>
         
         <label class="control-label">Money Order :</label>
         <input type="number" ng-model="payment.money_order" />
            
  </div>
  
  <div class="oneHalf">
        <h2>Help Text</h2>
        
        <ul class="help-text">
        
          <li>
            <h3>Motive</h3>
            <p>What made you go online today? What spurred you into action? Cost, Replacing cover, Family, job change What did you see online that appealed to you?</p>
          </li> 
          
          <li>
            <h3>Employment Type</h3>
            <p>Self employed - explain net profit (taxable income) Contracts - renewable? how many time renewed? Cover only applies to end of contract</p>
          </li>
          
          <li>
            <h3>Budget</h3>
            <p>What can the client comfortably afford? Check against salary</p>
          </li>
          
          <li>
            <h3>Industry</h3>
            <p>Check the Trent watch list clack here</p>
          </li> 
          
         <li>
            <h3>Life Sum</h3>
            <p>There is no normal<br>
            Salary x years of dependancy<br>
            10 x Salary<br>
            Funeral - what impact will inflation have on the sum assured!</p>
          </li> 
        </ul>
  </div>
  
</div>

CSS

.oneHalf {
  width:50%;
  float:left;
}

ul, li {
  list-style:none;
  margin:0;
  padding:0;
}

.help-text {
  position:relative;
}

.test {
  background:red;
  display:block !important;
}

JavaScript

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

function MyCtrl($scope) {
}