Sea lions are friendly-looking animals. Their round faces and whiskers remind people (1) ... the faces of small dogs. The almond shape of their eyes gives them a look of intelligence. Whether it is true or not, sea lions often look as though they are thinking. They are often observed relaxing (2) ... the sun on the shores or rocks. If you have been to a marine park, you may have watched sea lions. They can be taught many tricks. They can balance balls on their noses. They can jump through hoops. Their trainers give them fish to reward them (3) ... doing tricks. Sea lions look very pleased (4) ... themselves when they perform. They love fish, and they grow to love applause.