Answer: Numbers 1, 2, 5, 6
Step-by-step explanation:
#1: The corn syrup (sugar) lobby doesn't say that they are professionals in the topic of eating more sugar.
#2: The writer's opinion is considered a form of bias.
#5: Failing to mention a evidence-supported fact is a form of opinion (which is bias).
#6: The writer's claims are a form of bias.