Arrange the following in the correct sequence of the structure of scientific revolution:
A. Paradigm change
B. Pre science
C. Normal science
D. Model drift
E. Model crisis
F. Model revolution
1
A, B, C, D, E, F
2
B, C, D, E, F, A
3
B, C, D, E, A, F
4
A, E, D, C, B, F