Which of these forms of Bay Area transit are AC Transit bus lines and which are trains: Caltrain, BART, 51B, 36, 51A, 79, VTA Light Rail.
The trains are the Caltrain, BART, and VTA Light Rail, and the bus lines are the 51B, 36, 51A, and 79.
<START_INST>Which of these forms of Bay Area transit are AC Transit bus lines and which are trains: Caltrain, BART, 51B, 36, 51A, 79, VTA Light Rail.<END_INST><START_CTX><END_CTX><START_A>The trains are the Caltrain, BART, and VTA Light Rail, and the bus lines are the 51B, 36, 51A, and 79.<END_A>