Q--If someone is lactose intolerant, do they have to avoid cream?
A--My step-by-step reasoning: People with lactose intolerance are unable to fully digest the sugar (lactose) in milk. Cream is a dairy product composed of the higher-fat layer skimmed from the top of milk before homogenization. Cream contains milk.
So, the answer is yes.

Q--Does Biochemistry study gluons?
A--My step-by-step reasoning: Biochemistry studies role, function, and structure of biomolecules. Gluon, the so-called messenger particle of the strong nuclear force, which binds sub-atomic particles known as quarks within the protons and neutrons of stable matter as well as within heavier, short-lived particles created at high energies. biomolecules are comprised of atoms.
So, the answer is no.

Q--Is Chinese successor to Chevrolet Cruze name a town far from Milan?
A--My step-by-step reasoning: The Chinese successor to Chevrolet Cruze is the Chevrolet Monza. Monza is a city near the north of Milan.
So, the answer is no.

Q--Are looks the easiest way to tell rosemary from lavender? 
A--
My step-by-step reasoning: Before blooming, lavender and rosemary look remarkably similar. Rosemary has a pine-like scent. Lavender has a lighter, more floral scent.
So, the answer is no.