An instinct is a tendency that is:

Which couple is in a situation in which the likelihood of date rape increases?

a) Alan and Andrea have been dating for a short time and neither consumes alcohol. b) Barry and Barbara have been dating for a few months and use alcohol moderately. c) Carla and Carl have been dating for two years and both are prone to heavy drinking. d) Darla and Dan have been dating for five years and neither consumes alcohol, except at formal settings like weddings.

What is the term for the system of rules that determines how our thoughts can be expressed?

a) egocentric speech b) fast mapping c) private speech d) grammar