Question 1
Given two balances below, find the lightest fast food.
Source caption (translated): Balance 1: Coca down, fries up. Balance 2: (Coca + burger) down, (Coca + fries) up.
Original choices (retained):
A. Burger
B. Coca
C. French fries
D. Milk
Editorial note: milk is not compared by either balance. Explain the supported comparison and the missing information. This item is manually graded; there is no unique automatic answer among all four original choices.
Source caption (translated): Balance 1: Coca down, fries up. Balance 2: (Coca + burger) down, (Coca + fries) up.
Original choices (retained):
A. Burger
B. Coca
C. French fries
D. Milk
Editorial note: milk is not compared by either balance. Explain the supported comparison and the missing information. This item is manually graded; there is no unique automatic answer among all four original choices.