With the above figure, Shopper A U Shopper B $($a union of both sets$)$ will be

$\{\text{'}$orange$,\text{'}$ 'apple', 'blueberry', 'peach'$\}$

$\{\text{'}$banana$\text{'},$ 'mango,$\text{'},$ 'strawberry', 'watermelon', 'apple', 'orange'$\}$

$\{\text{'}$apple$,\text{'}$ 'orange'$\}$

$\{\text{'}$orange$,\text{'},$ 'apple,$\text{'},$ 'blueberry', 'peach', 'banana', 'mango,$\text{'},$ 'strawberry', 'watermelon'$\}$