The Oxidation of Ammonia Produces Nitrogen and Water Via the Following

The oxidation of ammonia produces nitrogen and water via the following reaction:
4NH₃(g) + 3O₂(g) → 2N₂(g) + 6H₂O(l)
Suppose the rate of formation of H₂O(l) is 3.0 mol/(L ∙ s) .Which of the following statements is true?

A) The rate of consumption of NH₃ is 2.0 mol/(L ∙ s) .
B) The rate of consumption of O₂ is 2.0 mol/(L ∙ s) .
C) The rate of formation of N₂ is 1.3 mol/(L ∙ s) .
D) The rate of formation of N₂ is 2.0 mol/(L ∙ s) .
E) The rate of consumption of NH₃ is 0.50 mol/(L ∙ s) .