Organic Compounds Containing Nitrogen: JEE Main 2026 Chemistry question

The number of compounds from the following which can undergo reaction with $\mathrm{Br_2/KOH}$ (alcoholic) to give respective products and these respective products can also be obtained separately by Gabriel phthalimide reaction is : $\mathrm{C_6H_5CONH_2}$, $\mathrm{C_6H_5CH_2CONH_2}$, $\mathrm{CH_3CONH_2}$, $\mathrm{C_6H_{11}CONHCH_2CH_3}$, $\mathrm{(CH_3)_3CCONHCH_3}$, $\mathrm{C_6H_{11}CONH_2}$