$(2$ marks$)$ Which of the following is a contrapositive of "I go to the beach whenever it is a sunny day."? $($Circle all correct answers$)$

a$)$ Not being a sunny day is a sufficient condition for not going to the beach.

b$)$ If I am not going to the beach, then it is not a sunny day.

c$)$ It is not a sunny day, if I am not going to the beach.

d$)$ I am not going to the beach only if it is not a sunny day.

$(2$ marks$)$ Determine if the following set of logical propositions is consistent or not. If the set is consistent, specify the values of $p,q$ and $r$ that make all three propositions True.

pvvnotqvvr

notq$p$

not$(pvvr)$