text: <unk> s are substances that suppress the function of the thyroid gland by interfering with iodine uptake which can, as a result, cause an enlargement of the thyroid.
option_0: Goitrogen
option_1: Hydrocarbon
option_2: Thiol
option_3: Haloalkane
option_4: Saline 
option_5: Choline
option_6: Amino acid
option_7: Ostium