food
metals
sport
subjects
abstract
100

necessary for life

water

100

expensive metal

gold

100

soccer

football

100

stars and planets

astronomy

100


love

200

all babies need it 

milk

200

it may be electronic

iron

200


basketball

200

its father is Herodotus

history

200

a good teacher needs 

knowledge

300


beer

300

...of fish

tin

300

it needs thinking

chess

300

Newton ,Ampere

physics

300

factories, cars produce it 

smoke

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