import sys
import math

# Auto-generated code below aims at helping you parse
# the standard input according to the problem statement.

# nb_floors: number of floors
# width: width of the area
# nb_rounds: maximum number of rounds
# exit_floor: floor on which the exit is found
# exit_pos: position of the exit on its floor
# nb_total_clones: number of generated clones
# nb_additional_elevators: ignore (always zero)
# nb_elevators: number of elevators
nb_floors, width, nb_rounds, exit_floor, exit_pos, nb_total_clones, nb_additional_elevators, nb_elevators = [int(i) for i in input().split()]
print(exit_floor, exit_pos, file=sys.stderr, flush=True)
d = {}
for i in range(nb_elevators):
    # elevator_floor: floor on which this elevator is found
    # elevator_pos: position of the elevator on its floor
    elevator_floor, elevator_pos = [int(j) for j in input().split()]
    d[elevator_floor] = elevator_pos
print(d, file=sys.stderr, flush=True)

round = 0
# game loop
while True:
    round += 1
    inputs = input().split()
    clone_floor = int(inputs[0])  # floor of the leading clone
    clone_pos = int(inputs[1])  # position of the leading clone on its floor
    direction = inputs[2]  # direction of the leading clone: LEFT or RIGHT
    print(clone_pos, clone_floor, direction, file=sys.stderr, flush=True)
    if (clone_floor == exit_floor):
        if ((exit_pos < clone_pos and direction == "RIGHT") or (exit_pos > clone_pos and direction == "LEFT")):
            print("BLOCK")
        else:
            print("WAIT")
    else:
        if ((d.get(clone_floor, clone_pos+1) < clone_pos and direction == "RIGHT") or (d.get(clone_floor,clone_pos-1) > clone_pos and direction == "LEFT")):
                print("BLOCK")
        else:
            print("WAIT")
    # Write an action using print
    # To debug: print("Debug messages...", file=sys.stderr, flush=True