4. (a) The concept of conditio sine qua non is also referred to as "but-for" causation.
(b) The three most important tests or theories that are used to determine legal causation are the indidualisation theory, the theory of adequate causation and the concept of conditio sine qua non.
(1) Only statement (a) is correct.
(2) only statement (b) is correct
(3) Both statements (a) and (b) are correct.
(4) Neither statements (a) nor (b) are correct