You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.

[EX Q]: Question: If x, y, and z are negative integers and 3x - 3y = -3z, then which of the following statements must be true?
I. x > y
II. x > y > z
III. x = z

 Option A: I and II

 Option B: I only

 Option C: II only

 Option D: III only

 Option E: None
[EX A]: Option B

[EX Q]: Question: A trailer carries 3, 4 and 5 crates on a trip. Each crate weighs no less than 120 kg. What is the maximum weight of the crates on a single trip?

 Option A: 1250

 Option B: 625

 Option C: 600

 Option D: 7500

 Option E: 375
[EX A]: Option C

[EX Q]: Question: Is y is a positive number? Statement–1: 2x+y > 27; Statement–2: x–3y < 24

 Option A: 22

 Option B: 62

 Option C: 28

 Option D: 16

 Option E: 11
[EX A]:
Option B