The table t below represents four animals from the shelter:

name sex age fixed pounds

"Toggle"

"female"

3

true

48

"Fritz"

"male"

4

true

92

"Nori"

"female"

6

true

35.3

"Sasha"

"female"

1

false

6.5

 
fun is-fixed(r): r["fixed"]                 end
fun is-young(r): r["age"] < 4               end
fun nametag(r):  text(r["name"], 20, "red") end

Match each table description on the left, to the Circle of Evaluation that will produce it.

A table containing only Toggle and Sasha

1

A

(sort t "age" true)

Produces a table of only young, fixed animals

2

B

(filter t is-fixed)

Produces a table, sorted youngest-to-oldest

3

C

(build-column t "sticker" nametag)

Produces a table with an extra column, named "sticker"

4

D

(filter t is-young)

Produces a table containing Toggle and Sasha, in that order

5

E

(filter (filter t is-young) is-fixed)

Produces a table containing Toggle, Fritz, and Nori

6

F

(sort (filter t is-young) "pounds" false)

Won’t run: will produce an error (why?)

7

G

(sort (build-column t "label" nametag) "age" true)

Produces a table with an extra "label" column, sorted youngest-to-oldest

8

H

(sort t "cuteness" false)

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