====== PlayGround ======

|            ^  Product 1  ^  Product 2  ^  Product 3  ^
^ Feature A  |     Yes     |   Yes[(a)]  |   Yes[(a)]  |
^ Feature B  |     Yes     |   Yes[(a)]  |     No      |
^ Feature C  |     No      |     Yes     |   Yes[(b)]  |

[(a>Some requirement.)]
[(b>Another requirement.)]