Find the odd one out from the following:

a. Chair, Bed, Table, Baby, Cupboard.

b. Rose, Jasmine, Boat, Marigold, Lotus.

c. Aluminum, Iron, Copper, Silver, Sand.

d. Sugar, Salt, Sand, Copper sulphate.

a. Baby (Except this all others are non-living things).

b. Boat (Except this all others are flower).

c. Sand (Except this all others are metals).

d. Sand (Except this all others are soluble in water).