Match the field equipment Drum roller (K), Rubber tire roller (L), Sheep foot roller (M), Vibratory roller (N) with corresponding laboratory equipment Vibratory compaction (P), Impact compaction (Q), Kneading compaction (R), Static compaction (S):
1. K-S; L-R; M-Q; N-P
2. K-S; L-Q; M-R; N-P
3. K-R; L-S; M-Q; N-P
4. K-R; L-Q; M-S; N-P