Indicate Whether the Following Is a Type I or Type

Indicate whether the following is a type I or type II error.
a. You conclude that there is a relationship between the consumption of ice cream and criminal behavior, when in fact the variability of criminal behavior is explained by another variable (e.g., temperature).
b. You conclude that there is no relationship between age and criminal behavior, when in fact it is well agreed on (with existing empirical evidence) that the relationship is rather strong (age-crime curve).
c. You conclude that there is a relationship between alcohol/drug abuse and recidivism rates, which is supported in prior literature.