Can anyone help me translate English to ASL Gloss?

Could you help me? I'm OKAY at it but I want to get this 100% right for my paper

Write a 7–10 sentence dialogue between two people about going out for lunch. Using these terms

COOKIE
HAMBURGER
ICE CREAM
PANTS
PIZZA
PREFER
SUPPOSE (IF)
WHICH

--Write the dialogue using ASL gloss.
--Include body shift.
--Write the English in parentheses.

What I have so far
English -- “Do you prefer pizza or hamburgers?”
ASL -- PIZZA (shift right) HAMBURGER (shift left) YOU PREFER WHICH?