There are four whales of (a), (b), (c), and (d). (a) Whales are faster than (b) whales. (b) Whales are faster than (c) whales. (c) Whales are slower than (d) whales. (d) Whales are faster than (a) whales. Which whale is the slowest?
[OP_LIST_SOL] (a) (b) (c) (d) [OP_LIST_EOL] [OP_LIST_SOL] (a) (b) > (b) (c) > (c) (d) < (d) (a) > [OP_LIST_EOL] [OP_LIST_COND_MAX_MIN] [OP_LIST_LEN] [OP_LIST_GET]
var_a = '(a)'
var_b = '(b)'
var_c = '(c)'
var_d = '(d)'
list_a= []
if "/" in str(var_d):
    var_d = eval(str(var_d))
list_a.append(var_d)
if "/" in str(var_c):
    var_c = eval(str(var_c))
list_a.append(var_c)
if "/" in str(var_b):
    var_b = eval(str(var_b))
list_a.append(var_b)
if "/" in str(var_a):
    var_a = eval(str(var_a))
list_a.append(var_a)
list_a.reverse()
var_e = '(a)'
var_f = '(b)'
var_g = '>'
var_h = '(b)'
var_i = '(c)'
var_j = '>'
var_k = '(c)'
var_l = '(d)'
var_m = '<'
var_n = '(d)'
var_o = '(a)'
var_p = '>'
list_b= []
if "/" in str(var_p):
    var_p = eval(str(var_p))
list_b.append(var_p)
if "/" in str(var_o):
    var_o = eval(str(var_o))
list_b.append(var_o)
if "/" in str(var_n):
    var_n = eval(str(var_n))
list_b.append(var_n)
if "/" in str(var_m):
    var_m = eval(str(var_m))
list_b.append(var_m)
if "/" in str(var_l):
    var_l = eval(str(var_l))
list_b.append(var_l)
if "/" in str(var_k):
    var_k = eval(str(var_k))
list_b.append(var_k)
if "/" in str(var_j):
    var_j = eval(str(var_j))
list_b.append(var_j)
if "/" in str(var_i):
    var_i = eval(str(var_i))
list_b.append(var_i)
if "/" in str(var_h):
    var_h = eval(str(var_h))
list_b.append(var_h)
if "/" in str(var_g):
    var_g = eval(str(var_g))
list_b.append(var_g)
if "/" in str(var_f):
    var_f = eval(str(var_f))
list_b.append(var_f)
if "/" in str(var_e):
    var_e = eval(str(var_e))
list_b.append(var_e)
list_b.reverse()
global item_name_index_dict
items_name_list = list_a.copy()
conditions = []
condition_list = list_b.copy()
temp_stack = []
for index_, cond_ in enumerate(map(str, condition_list)):
    if cond_ in ("<", ">", "="):
        operand_right = temp_stack.pop()
        operand_left = temp_stack.pop()
        if cond_ == "=":
            cond_ = "=="
        conditions.append(f"{operand_left} {cond_} {operand_right}")
    else:
        if not cond_.isdigit():
            cond_ = "{" + cond_ + "}"
        temp_stack.append(cond_)
item_name_index_dict = {}
for perm in itertools.permutations(range(1, len(items_name_list) + 1)):
    item_name_index_dict = dict(zip(items_name_list, perm))
    formatted_conditions = \
        [condition.format_map(item_name_index_dict) for condition in conditions]
    if all(map(eval, formatted_conditions)):
        break
list_c = list(item_name_index_dict.keys())
list_c.sort(key=item_name_index_dict.get, reverse=True)
var_q = len(list_c)
var_r = list_c[var_q-1]
print(var_r)