Below is the normalisation process from first to third normal form:

First normal form: all data is atomic $($no multi$-$values$),$ with no repeating groups

Second normal form: all partial functional dependencies have been removed

Third normal form: all transitive functional dependencies have been removed

Which step of the above process is incorrect?

Group of answer choices

Lines $2$ and $3$

Line $1$

Line $2$

Line $3$

All three lines are correct