After executing a sequence of 6 instructions, bottle K has half of the water that the bottles L and M together have and the bottle L has half of the water that the bottle M has. Find the fourth instruction if the rest instructions are given below.
Instruction 1. Fill (L, K)
Instruction 2. Fill (M, L)
Instruction 3. Empty (M, K)
Instruction 5. Fill (L, K)
Instruction 6. Fill (M, L)

Options

A. Fill (L, M)
B. Empty (L, M)
C. Fill (M, K)
D. Empty (M, L)

Answer

B