Consider the following query: pizzeria (o name="Hill (Person)Eats Serves Frequents) The cardinality of the query is equal to : Person Frequents name Amy Ben Ben Cal Cal Dan Dan Eli Eli name age gender Amy 16 female Ben 21 male Cal 33 male Dan 13 male Eli 45 male 21 female Gus 24 male Hil 30 female lan 18 male pizzeria Pizza Hut Chicago Pizza Pizza Hut New York Pizza Straw Hat New York Pizza Straw Hat Chicago Pizza Straw Hat Dominos Little Caesars Chicago Pizza Pizza Hut Dominos Pizza Hut Straw Hat Dominos New York Pizza Straw Hat Fay Fay Fay Gus Gus Hil Hil Hil lan lan lan Serves Eats name Amy Amy Ben Ben Cal Dan Dan Dan Dan Dan Eli Eli Fay Gus Gus Gus Hil Hil lan lan pizza mushroom pepperoni cheese pepperoni supreme cheese mushroom pepperoni sausage supreme cheese supreme mushroom cheese mushroom supreme cheese supreme pepperoni supreme pizzeria pizza Chicago Pizza cheese Chicago Pizza supreme Dominos cheese Dominos mushroom Little Caesars cheese Little Caesars mushroom Little Caesars pepperoni Little Caesars sausage New York Pizza cheese New York Pizza pepperoni New York Pizza supreme Pizza Hut cheese Pizza Hut pepperoni Pizza Hut sausage Pizza Hut supreme Straw Hat cheese Straw Hat pepperoni Straw Hat sausage price 7.75 8.5 9.75 11 7 9.25 9.75 9.5 7 18 8.5 9 12 12 12 9.25 8 9.75