They'll use white gas to heat food and melt ice for drinking water.
(They; 'll use; white gas; to heat food and melt ice for drinking water) Context(They 'll use,List([0, 11))):(They; 'll use white gas to heat; food) Context(They 'll use,List([0, 11))):(They; 'll use white gas to melt; ice for drinking water)
They 'll use,List([0, 11)) They 'll use,List([0, 11))
They They They
'll use 'll use white gas to heat 'll use white gas to melt
white gas to heat food and melt ice for drinking water
food
ice for drinking water