What are some common bases for tacos?
Tacos are typically built on top of a soft wheat tortilla, soft corn tortilla, hard taco shell, lettuce, or a baked taco shell.
Instruction: What are some common bases for tacos?
Context: 
Response: Tacos are typically built on top of a soft wheat tortilla, soft corn tortilla, hard taco shell, lettuce, or a baked taco shell.