Please list the order comments of all the orders made by customers in the household segment.
orders in household segment refer to o_orderkey where c_mktsegment = 'HOUSEHOLD'; order comments refer to o_comment;
SELECT T1.o_comment FROM orders AS T1 INNER JOIN customer AS T2 ON T1.o_custkey = T2.c_custkey WHERE T2.c_mktsegment = 'HOUSEHOLD'