James is a customer who does not choose any plans.
Customers either choose Plan A or Plan B. All who choose Plan B are rewarded with a $30 gift card.  There are no customers who do not choose any plans.  No customers rewarded a $30 gift card are older than 80. Customers are either older than 80 or are currently studying at school.  James is not a customer who is currently studying at school. 
∀x (PlanA(x) ∨ PlanB(x)) ∀x (PlanB(x) → Award(x)) ∀x (¬NoPlan(x)) ∀x (Award(x) → ¬OlderThan80(x)) ∀x (OlderThan80(x) ∨ StudyAtSchool(x)) ¬StudyAtSchool(james)