Principle

/2♥♠ opening is always weak, 7-10(11)HP with exactly 5-♥♠ and an unknown 4+♣♦ (poker suit)

Answers

/2♥

- 2♠: 15+, strong, misfit 0/1♥, (5)6+♠, F1

/34♠: 7-8 or 9-10(11), 2+♠

/2SA: 7-8

/3♣♦: 9-10(11), 4+♣♦

- 34♥: 0-11, 4+♥ of 5+♥, Total Number of Tricks OK, barrage

- 3♣: lowest poker suit = weak, 3+♣ 3+♦, NF, PorC

- 3♦: highest poker suit = 12-14 (limit), 4+♥ (5-4 fit is known), F1

/3♥: 7-8

/4♥: 9-10(11)

- 2SA: 15+HP, F1, asks about m AND length

/3♣: 5-♥ 4-♣

/3♦: 5-♥ 4-♦

/3♥: 5-♥ 5-♣, 9-10(11)

/3♠: 5-♥ 5-♦, 9-10(11)

/3SA: 5+ unknown m

- PASS

- 4♣: which m?

/4♦: 5+♦

/4♥: (lowest M as substitute) 5+♣