Answer:
a) Transitivity
Step-by-step explanation:
Transitivity: In psychology, the term "transitivity" is described as one of the principles associated with the concrete-operational stage which is considered as one of the different stages of the cognitive development theory and was given by a famous psychologist named Jean Piaget.
Transitivity is considered as an important aspect of the concrete-operational stage and is referred to as an individual's capability to recognize relationships between different things in a "serial order".
In the question above, the given statement represents that Sochi is demonstrating transitivity.