1. ride: a camel, a bike, a motorbike, a car, an ostrich, a donkey.
2. collect: food, data, water, information, dolls, postcards.
3. pick: grapes, blackberry, strawberry, tea buds.
4. herd: buffaloes, cattle, goats, sheep.
5. pick up: a flag, a tent, a memorial, a notice.